diff --git a/doc.ja/src/sgml/ref/pcp_proc_info.sgml b/doc.ja/src/sgml/ref/pcp_proc_info.sgml
index ad95193..461545f 100644
--- a/doc.ja/src/sgml/ref/pcp_proc_info.sgml
+++ b/doc.ja/src/sgml/ref/pcp_proc_info.sgml
@@ -118,9 +118,14 @@ Pgpool-II documentation
    -->
    例を示します。
    <programlisting>
-$ pcp_proc_info -p 11001 2871
-postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:59 2021-09-07 02:16:59 273 2021-09-07 02:16:56 1 3016 1 2871 0 Idle
-postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:59 2021-09-07 02:16:59 0 2021-09-07 02:16:56 1 3017 1 2871 1 Idle
+$ pcp_proc_info -p 1100
+test postgres 2021-09-28 04:16:00 (4:56 before process restarting) 1 3 0 2021-09-28 04:16:16 2021-09-28 04:16:16 0 2021-09-28 04:16:33 1 30795 0 30750 0 Wait for connection
+test postgres 2021-09-28 04:16:00 (4:56 before process restarting) 1 3 0 2021-09-28 04:16:16 2021-09-28 04:16:16 0 2021-09-28 04:16:33 1 30796 0 30750 1 Wait for connection
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 34 (4:26 before client disconnected)  1 30763 1 30751 0 Idle
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 34 (4:26 before client disconnected)  1 30764 1 30751 1 Idle
+$ pcp_proc_info -p 11001 30751
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 58 (4:02 before client disconnected)  1 30763 1 30751 0 Idle
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 58 (4:02 before client disconnected)  1 30764 1 30751 1 Idle
    </programlisting>
   </para>
   <para>
@@ -132,13 +137,13 @@ postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:5
     <!--
     1. connected database name
     2. connected user name
-    3. process start-up timestamp (remaining time by <xref linkend="guc-client-idle-limit">. If client_idle_limit is set 0, remaining is not desplayed.)
+    3. process start-up timestamp (If <xref linkend="guc-child-life-time"> is set not 0, the time before process restarting is displayed.)
     4. process-reuse counter for <xref linkend="guc-child-max-connections">
     5. protocol major version
     6. protocol minor version
     7. connection created timestamp
     8. last client connected timestamp
-    9. client idle duration (sec) for <xref linkend="guc-client-idle-limit">
+    9. client idle duration (sec) (If <xref linkend="guc-client-idle-limit"> is set not 0, the time before client disconnected is displayed.)
     10. last client disconnected timestamp
     11. connection-reuse counter
     12. PostgreSQL backend process id
@@ -149,13 +154,13 @@ postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:5
     -->
     1. 接続先のデータベース名
     2. 接続先のユーザ名
-    3. Pgpool-IIプロセスの起動時刻 (<xref linkend="guc-client-idle-limit">による残り時間。client_idle_limitが0の場合、remainingは表示されません)
+    3. Pgpool-IIプロセスの起動時刻 (<xref linkend="guc-client-idle-limit">が0でない場合、プロセスが再起動されるまでの時間を表示します)
     4. プロセスの利用カウンタ(<xref linkend="guc-child-max-connections">を参照)
     5. プロトコルのメジャーバージョン
     6. プロトコルのマイナーバージョン
     7. バックエンドへの接続時刻
     8. クライアントが最後に接続開始した時刻
-    9. 接続がidleとなっている時間(秒)(<xref linkend="guc-client-idle-limit">を参照)
+    9. 接続がidleとなっている時間(秒)(<xref linkend="guc-client-idle-limit">が0でない場合、クライアントが切断されるまでの時間を表示します)
     10. クライアントが最後に接続終了した時刻
     11. 接続の再利用カウンタ値
     12. PostgreSQLバックエンドプロセスのプロセスID
@@ -181,38 +186,72 @@ postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:5
    <option>--verbose</option> オプションは出力内容を理解するのに役に立ちます。例：
   </para>
   <programlisting>
-$ pcp_proc_info -p 11001 --verbose 2871
-Database                  : postgres
+$ pcp_proc_info -p 11001 --verbose
+Database                  : test
 Username                  : postgres
-Start time                : 2021-09-07 02:12:53 (remaining: 3:36)
+Start time                : 2021-09-28 04:16:00 (2:52 before process restarting)
 Client connection count   : 1
 Major                     : 3
 Minor                     : 0
-Backend connection time   : 2021-09-07 02:16:59
-Client connection time    : 2021-09-07 02:16:59
-Client idle duration      : 84
-Client disconnection time : 2021-09-07 02:16:56
+Backend connection time   : 2021-09-28 04:16:16
+Client connection time    : 2021-09-28 04:16:16
+Client idle duration      : 0
+Client disconnection time : 2021-09-28 04:16:33
 Pool Counter              : 1
-Backend PID               : 3016
-Connected                 : 1
-PID                       : 2871
+Backend PID               : 30795
+Connected                 : 0
+PID                       : 30750
 Backend ID                : 0
-Status                    : Idle
+Status                    : Wait for connection
 
-Database                  : postgres
+Database                  : test
 Username                  : postgres
-Start time                : 2021-09-07 02:12:53 (remaining: 3:36)
+Start time                : 2021-09-28 04:16:00 (2:52 before process restarting)
 Client connection count   : 1
 Major                     : 3
 Minor                     : 0
-Backend connection time   : 2021-09-07 02:16:59
-Client connection time    : 2021-09-07 02:16:59
+Backend connection time   : 2021-09-28 04:16:16
+Client connection time    : 2021-09-28 04:16:16
 Client idle duration      : 0
-Client disconnection time : 2021-09-07 02:16:56
+Client disconnection time : 2021-09-28 04:16:33
+Pool Counter              : 1
+Backend PID               : 30796
+Connected                 : 0
+PID                       : 30750
+Backend ID                : 1
+Status                    : Wait for connection
+
+Database                  : test
+Username                  : kawamoto
+Start time                : 2021-09-28 04:16:00
+Client connection count   : 0
+Major                     : 3
+Minor                     : 0
+Backend connection time   : 2021-09-28 04:16:03
+Client connection time    : 2021-09-28 04:16:03
+Client idle duration      : 158 (2:22 before client disconnected)
+Client disconnection time :
+Pool Counter              : 1
+Backend PID               : 30763
+Connected                 : 1
+PID                       : 30751
+Backend ID                : 0
+Status                    : Idle
+
+Database                  : test
+Username                  : kawamoto
+Start time                : 2021-09-28 04:16:00
+Client connection count   : 0
+Major                     : 3
+Minor                     : 0
+Backend connection time   : 2021-09-28 04:16:03
+Client connection time    : 2021-09-28 04:16:03
+Client idle duration      : 158 (2:22 before client disconnected)
+Client disconnection time :
 Pool Counter              : 1
-Backend PID               : 3017
+Backend PID               : 30764
 Connected                 : 1
-PID                       : 2871
+PID                       : 30751
 Backend ID                : 1
 Status                    : Idle
   </programlisting>
diff --git a/doc.ja/src/sgml/ref/show_pool_pools.sgml b/doc.ja/src/sgml/ref/show_pool_pools.sgml
index 8ae7e56..099564f 100644
--- a/doc.ja/src/sgml/ref/show_pool_pools.sgml
+++ b/doc.ja/src/sgml/ref/show_pool_pools.sgml
@@ -71,14 +71,11 @@
        <listitem>
         <para>
          <!--
-         <literal>remaining</literal> is the remaining time by
-         <xref linkend="guc-client-idle-limit">. If
-         <literal>client_idle_limit</literal> is set 0,
-         <literal>remaining</literal> is not desplayed.
+         If <xref linkend="guc-child-life-time"> is set not 0,
+         the time before process restarting is displayed.
          -->
-         <literal>remaining</literal> は <xref linkend="guc-client-idle-limit"> に
-         よる残り時間です。<literal>client_idle_limit</literal> が 0 の場合、
-         <literal>remaining</literal> は表示されません。
+         <xref linkend="guc-child-life-time"> が0でない場合
+         プロセスが再起動されるまでの時間が表示されます。
         </para>
        </listitem>
       </itemizedlist>
@@ -174,6 +171,18 @@
       -->
       <literal>client_idle_duration</literal> はクライアントからのコマンドを待機している時間(秒)です。
      </para>
+      <itemizedlist>
+       <listitem>
+        <para>
+        <!--
+          If <xref linkend="guc-client-idle-limit"> is set not 0,
+          the time before client disconnected is displayed.
+        -->
+        <xref linkend="guc-client-idle-limit"> が0でない場合
+        クライアントが切断されるまでの時間が表示されます。
+        </para>
+       </listitem>
+      </itemizedlist>
     </listitem>
 
     <listitem>
@@ -274,73 +283,73 @@
    返却行数は常に <xref linkend="guc-num-init-children"> * <xref linkend="guc-max-pool"> * 「バックエンドの数」になります。
      ここでは例を示します。
      <programlisting>
-postgres=# show pool_pools;
- pool_pid |              start_time               | client_connection_count | pool_id | backend_id | database | username | backend_connection_time | client_connection_time | client_disconnection_time | client_idle_duration | majorversion | minorversion | pool_counter | pool_backendpid | pool_connected |       status
-----------+---------------------------------------+-------------------------+---------+------------+----------+----------+-------------------------+------------------------+---------------------------+----------------------+--------------+--------------+--------------+-----------------+----------------+---------------------
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 0       | 0          | postgres | postgres | 2021-09-07 02:29:47     | 2021-09-07 02:29:47    | 2021-09-07 02:29:46       | 90                   | 3            | 0            | 1            | 3749            | 1              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 0       | 1          | postgres | postgres | 2021-09-07 02:29:47     | 2021-09-07 02:29:47    | 2021-09-07 02:29:46       | 0                    | 3            | 0            | 1            | 3750            | 1              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 0       | 0          | postgres | postgres | 2021-09-07 02:31:22     | 2021-09-07 02:31:22    | 2021-09-07 02:31:15       | 0                    | 3            | 0            | 1            | 3823            | 1              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 0       | 1          | postgres | postgres | 2021-09-07 02:31:22     | 2021-09-07 02:31:22    | 2021-09-07 02:31:15       | 0                    | 3            | 0            | 1            | 3824            | 1              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
+test=# show pool_pools;
+ pool_pid |     start_time      | client_connection_count | pool_id | backend_id | database | username | backend_connection_time | client_connection_time | client_disconnection_time |         client_idle_duration         | majorversion | minorversion | pool_counter | pool_backendpid | pool_connected |       status
+----------+---------------------+-------------------------+---------+------------+----------+----------+-------------------------+------------------------+---------------------------+--------------------------------------+--------------+--------------+--------------+-----------------+----------------+---------------------
+ 32641    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32643    | 2021-09-28 04:40:45 | 0                       | 0       | 0          | test     | kawamoto | 2021-09-28 04:40:48     | 2021-09-28 04:40:48    |                           | 41 (4:19 before client disconnected) | 3            | 0            | 1            | 32660           | 1              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 0       | 1          | test     | kawamoto | 2021-09-28 04:40:48     | 2021-09-28 04:40:48    |                           | 41 (4:19 before client disconnected) | 3            | 0            | 1            | 32661           | 1              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32644    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32648    | 2021-09-28 04:40:45 | 1                       | 0       | 0          | test     | postgres | 2021-09-28 04:40:52     | 2021-09-28 04:40:52    | 2021-09-28 04:40:59       | 0                                    | 3            | 0            | 1            | 32681           | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 0       | 1          | test     | postgres | 2021-09-28 04:40:52     | 2021-09-28 04:40:52    | 2021-09-28 04:40:59       | 0                                    | 3            | 0            | 1            | 32682           | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 1       | 0          | test     | kawamoto | 2021-09-28 04:41:30     | 2021-09-28 04:41:30    |                           | 0 (5:00 before client disconnected)  | 3            | 0            | 1            | 32746           | 1              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 1       | 1          | test     | kawamoto | 2021-09-28 04:41:30     | 2021-09-28 04:41:30    |                           | 0 (5:00 before client disconnected)  | 3            | 0            | 1            | 32747           | 1              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
 (64 rows)
      </programlisting>
 
diff --git a/doc.ja/src/sgml/ref/show_pool_processes.sgml b/doc.ja/src/sgml/ref/show_pool_processes.sgml
index 6c8e360..55f055f 100644
--- a/doc.ja/src/sgml/ref/show_pool_processes.sgml
+++ b/doc.ja/src/sgml/ref/show_pool_processes.sgml
@@ -72,14 +72,11 @@
        <listitem>
         <para>
          <!--
-         <literal>remaining</literal> is the remaining time by
-         <xref linkend="guc-client-idle-limit">. If
-         <literal>client_idle_limit</literal> is set 0,
-         <literal>remaining</literal> is not desplayed.
+         If <xref linkend="guc-child-life-time"> is set not 0,
+         the time before process restarting is displayed.
          -->
-         <literal>remaining</literal> は <xref linkend="guc-client-idle-limit"> に
-         よる残り時間です。<literal>client_idle_limit</literal> が 0 の場合、
-         <literal>remaining</literal> は表示されません。
+         <xref linkend="guc-child-life-time"> が0出ない場合
+         プロセスが再起動されるまでの時間が表示されます。
         </para>
        </listitem>
       </itemizedlist>
@@ -184,17 +181,17 @@
    ここでは例を示します。
 
    <programlisting>
-postgres=# show pool_processes;
- pool_pid |              start_time               | client_connection_count | database | username | backend_connection_time | pool_counter |       status
-----------+---------------------------------------+-------------------------+----------+----------+-------------------------+--------------+---------------------
- 6685     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6686     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6687     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6688     | 2021-09-07 02:41:13 (remaining: 4:10) | 1                       | postgres | postgres | 2021-09-07 02:41:48     | 1            | Idle
- 6689     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6690     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6691     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6692     | 2021-09-07 02:41:13 (remaining: 5:00) | 2                       | postgres | postgres | 2021-09-07 02:42:38     | 1            | Execute command
+test=# show pool_processes;
+ pool_pid |                      start_time                      | client_connection_count | database | username | backend_connection_time | pool_counter |       status
+----------+------------------------------------------------------+-------------------------+----------+----------+-------------------------+--------------+---------------------
+ 32641    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32642    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32643    | 2021-09-28 04:40:45                                  | 0                       | test     | kawamoto | 2021-09-28 04:40:48     | 1            | Idle
+ 32644    | 2021-09-28 04:40:45                                  | 0                       | test     | kawamoto | 2021-09-28 04:43:15     | 1            | Execute command
+ 32645    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32646    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32647    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32648    | 2021-09-28 04:40:45 (3:15 before process restarting) | 2                       |          |          |                         |              | Wait for connection
 (8 rows)
    </programlisting>
   </para>
diff --git a/doc/src/sgml/ref/pcp_proc_info.sgml b/doc/src/sgml/ref/pcp_proc_info.sgml
index 6602d4e..f3eccef 100644
--- a/doc/src/sgml/ref/pcp_proc_info.sgml
+++ b/doc/src/sgml/ref/pcp_proc_info.sgml
@@ -85,9 +85,14 @@ Pgpool-II documentation
   <para>
    Here is an example output:
    <programlisting>
-$ pcp_proc_info -p 11001 2871
-postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:59 2021-09-07 02:16:59 273 2021-09-07 02:16:56 1 3016 1 2871 0 Idle
-postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:59 2021-09-07 02:16:59 0 2021-09-07 02:16:56 1 3017 1 2871 1 Idle
+$ pcp_proc_info -p 1100
+test postgres 2021-09-28 04:16:00 (4:56 before process restarting) 1 3 0 2021-09-28 04:16:16 2021-09-28 04:16:16 0 2021-09-28 04:16:33 1 30795 0 30750 0 Wait for connection
+test postgres 2021-09-28 04:16:00 (4:56 before process restarting) 1 3 0 2021-09-28 04:16:16 2021-09-28 04:16:16 0 2021-09-28 04:16:33 1 30796 0 30750 1 Wait for connection
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 34 (4:26 before client disconnected)  1 30763 1 30751 0 Idle
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 34 (4:26 before client disconnected)  1 30764 1 30751 1 Idle
+$ pcp_proc_info -p 11001 30751
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 58 (4:02 before client disconnected)  1 30763 1 30751 0 Idle
+test kawamoto 2021-09-28 04:16:00 0 3 0 2021-09-28 04:16:03 2021-09-28 04:16:03 58 (4:02 before client disconnected)  1 30764 1 30751 1 Idle
    </programlisting>
   </para>
   <para>
@@ -95,13 +100,13 @@ postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:5
    <literallayout class="monospaced">
     1. connected database name
     2. connected user name
-    3. process start-up timestamp (remaining time by <xref linkend="guc-client-idle-limit">. If client_idle_limit is set 0, remaining is not desplayed.)
+    3. process start-up timestamp (If <xref linkend="guc-child-life-time"> is set not 0, the time before process restarting is displayed.)
     4. process-reuse counter for <xref linkend="guc-child-max-connections">
     5. protocol major version
     6. protocol minor version
     7. connection created timestamp
     8. last client connected timestamp
-    9. client idle duration (sec) for <xref linkend="guc-client-idle-limit">
+    9. client idle duration (sec) (If <xref linkend="guc-client-idle-limit"> is set not 0, the time before client disconnected is displayed.)
     10. last client disconnected timestamp
     11. connection-reuse counter
     12. PostgreSQL backend process id
@@ -121,38 +126,72 @@ postgres postgres 2021-09-07 02:12:53 (remaining: 0:27) 1 3 0 2021-09-07 02:16:5
    The <option>--verbose</option> option can help understand the output. For example:
   </para>
   <programlisting>
-$ pcp_proc_info -p 11001 --verbose 2871
-Database                  : postgres
+$ pcp_proc_info -p 11001 --verbose
+Database                  : test
 Username                  : postgres
-Start time                : 2021-09-07 02:12:53 (remaining: 3:36)
+Start time                : 2021-09-28 04:16:00 (2:52 before process restarting)
 Client connection count   : 1
 Major                     : 3
 Minor                     : 0
-Backend connection time   : 2021-09-07 02:16:59
-Client connection time    : 2021-09-07 02:16:59
-Client idle duration      : 84
-Client disconnection time : 2021-09-07 02:16:56
+Backend connection time   : 2021-09-28 04:16:16
+Client connection time    : 2021-09-28 04:16:16
+Client idle duration      : 0
+Client disconnection time : 2021-09-28 04:16:33
 Pool Counter              : 1
-Backend PID               : 3016
-Connected                 : 1
-PID                       : 2871
+Backend PID               : 30795
+Connected                 : 0
+PID                       : 30750
 Backend ID                : 0
-Status                    : Idle
+Status                    : Wait for connection
 
-Database                  : postgres
+Database                  : test
 Username                  : postgres
-Start time                : 2021-09-07 02:12:53 (remaining: 3:36)
+Start time                : 2021-09-28 04:16:00 (2:52 before process restarting)
 Client connection count   : 1
 Major                     : 3
 Minor                     : 0
-Backend connection time   : 2021-09-07 02:16:59
-Client connection time    : 2021-09-07 02:16:59
+Backend connection time   : 2021-09-28 04:16:16
+Client connection time    : 2021-09-28 04:16:16
 Client idle duration      : 0
-Client disconnection time : 2021-09-07 02:16:56
+Client disconnection time : 2021-09-28 04:16:33
+Pool Counter              : 1
+Backend PID               : 30796
+Connected                 : 0
+PID                       : 30750
+Backend ID                : 1
+Status                    : Wait for connection
+
+Database                  : test
+Username                  : kawamoto
+Start time                : 2021-09-28 04:16:00
+Client connection count   : 0
+Major                     : 3
+Minor                     : 0
+Backend connection time   : 2021-09-28 04:16:03
+Client connection time    : 2021-09-28 04:16:03
+Client idle duration      : 158 (2:22 before client disconnected)
+Client disconnection time :
+Pool Counter              : 1
+Backend PID               : 30763
+Connected                 : 1
+PID                       : 30751
+Backend ID                : 0
+Status                    : Idle
+
+Database                  : test
+Username                  : kawamoto
+Start time                : 2021-09-28 04:16:00
+Client connection count   : 0
+Major                     : 3
+Minor                     : 0
+Backend connection time   : 2021-09-28 04:16:03
+Client connection time    : 2021-09-28 04:16:03
+Client idle duration      : 158 (2:22 before client disconnected)
+Client disconnection time :
 Pool Counter              : 1
-Backend PID               : 3017
+Backend PID               : 30764
 Connected                 : 1
-PID                       : 2871
+PID                       : 30751
 Backend ID                : 1
 Status                    : Idle
   </programlisting>
diff --git a/doc/src/sgml/ref/show_pool_pools.sgml b/doc/src/sgml/ref/show_pool_pools.sgml
index 5ece2ee..a060522 100644
--- a/doc/src/sgml/ref/show_pool_pools.sgml
+++ b/doc/src/sgml/ref/show_pool_pools.sgml
@@ -53,10 +53,8 @@
       <itemizedlist>
        <listitem>
         <para>
-         <literal>remaining</literal> is the remaining time by
-         <xref linkend="guc-client-idle-limit">. If
-         <literal>client_idle_limit</literal> is set 0,
-         <literal>remaining</literal> is not desplayed.
+         If <xref linkend="guc-child-life-time"> is set not 0,
+         the time before process restarting is displayed.
         </para>
        </listitem>
       </itemizedlist>
@@ -123,6 +121,14 @@
      <para>
       <literal>client_idle_duration</literal> is the time (sec) that a client
       is in idle.
+      <itemizedlist>
+       <listitem>
+        <para>
+         If <xref linkend="guc-client-idle-limit"> is set not 0,
+         the time before client disconnected is displayed.
+        </para>
+       </listitem>
+      </itemizedlist>
      </para>
     </listitem>
 
@@ -191,73 +197,73 @@
    It'll always return <xref linkend="guc-num-init-children"> * <xref linkend="guc-max-pool"> *
      number_of_backends lines.  Here is an example session:
      <programlisting>
-postgres=# show pool_pools;
- pool_pid |              start_time               | client_connection_count | pool_id | backend_id | database | username | backend_connection_time | client_connection_time | client_disconnection_time | client_idle_duration | majorversion | minorversion | pool_counter | pool_backendpid | pool_connected |       status
-----------+---------------------------------------+-------------------------+---------+------------+----------+----------+-------------------------+------------------------+---------------------------+----------------------+--------------+--------------+--------------+-----------------+----------------+---------------------
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3727     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3728     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 0       | 0          | postgres | postgres | 2021-09-07 02:29:47     | 2021-09-07 02:29:47    | 2021-09-07 02:29:46       | 90                   | 3            | 0            | 1            | 3749            | 1              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 0       | 1          | postgres | postgres | 2021-09-07 02:29:47     | 2021-09-07 02:29:47    | 2021-09-07 02:29:46       | 0                    | 3            | 0            | 1            | 3750            | 1              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3729     | 2021-09-07 02:29:38 (remaining: 3:30) | 1                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Idle
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3730     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3731     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3732     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3733     | 2021-09-07 02:29:38 (remaining: 5:00) | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 0       | 0          | postgres | postgres | 2021-09-07 02:31:22     | 2021-09-07 02:31:22    | 2021-09-07 02:31:15       | 0                    | 3            | 0            | 1            | 3823            | 1              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 0       | 1          | postgres | postgres | 2021-09-07 02:31:22     | 2021-09-07 02:31:22    | 2021-09-07 02:31:15       | 0                    | 3            | 0            | 1            | 3824            | 1              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 1       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 1       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 2       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 2       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 3       | 0          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
- 3734     | 2021-09-07 02:29:38 (remaining: 5:00) | 4                       | 3       | 1          |          |          |                         |                        |                           | 0                    | 0            | 0            | 0            | 0               | 0              | Execute command
+test=# show pool_pools;
+ pool_pid |     start_time      | client_connection_count | pool_id | backend_id | database | username | backend_connection_time | client_connection_time | client_disconnection_time |         client_idle_duration         | majorversion | minorversion | pool_counter | pool_backendpid | pool_connected |       status
+----------+---------------------+-------------------------+---------+------------+----------+----------+-------------------------+------------------------+---------------------------+--------------------------------------+--------------+--------------+--------------+-----------------+----------------+---------------------
+ 32641    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32641    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32642    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32643    | 2021-09-28 04:40:45 | 0                       | 0       | 0          | test     | kawamoto | 2021-09-28 04:40:48     | 2021-09-28 04:40:48    |                           | 41 (4:19 before client disconnected) | 3            | 0            | 1            | 32660           | 1              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 0       | 1          | test     | kawamoto | 2021-09-28 04:40:48     | 2021-09-28 04:40:48    |                           | 41 (4:19 before client disconnected) | 3            | 0            | 1            | 32661           | 1              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32643    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Idle
+ 32644    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32644    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32645    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32646    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 0       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 0       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 1       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 1       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32647    | 2021-09-28 04:40:45 | 0                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Wait for connection
+ 32648    | 2021-09-28 04:40:45 | 1                       | 0       | 0          | test     | postgres | 2021-09-28 04:40:52     | 2021-09-28 04:40:52    | 2021-09-28 04:40:59       | 0                                    | 3            | 0            | 1            | 32681           | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 0       | 1          | test     | postgres | 2021-09-28 04:40:52     | 2021-09-28 04:40:52    | 2021-09-28 04:40:59       | 0                                    | 3            | 0            | 1            | 32682           | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 1       | 0          | test     | kawamoto | 2021-09-28 04:41:30     | 2021-09-28 04:41:30    |                           | 0 (5:00 before client disconnected)  | 3            | 0            | 1            | 32746           | 1              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 1       | 1          | test     | kawamoto | 2021-09-28 04:41:30     | 2021-09-28 04:41:30    |                           | 0 (5:00 before client disconnected)  | 3            | 0            | 1            | 32747           | 1              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 2       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 2       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 3       | 0          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
+ 32648    | 2021-09-28 04:40:45 | 1                       | 3       | 1          |          |          |                         |                        |                           | 0                                    | 0            | 0            | 0            | 0               | 0              | Execute command
 (64 rows)
      </programlisting>
 
diff --git a/doc/src/sgml/ref/show_pool_processes.sgml b/doc/src/sgml/ref/show_pool_processes.sgml
index 3036737..cb33f0c 100644
--- a/doc/src/sgml/ref/show_pool_processes.sgml
+++ b/doc/src/sgml/ref/show_pool_processes.sgml
@@ -52,10 +52,8 @@
       <itemizedlist>
        <listitem>
         <para>
-         <literal>remaining</literal> is the remaining time by
-         <xref linkend="guc-client-idle-limit">. If
-         <literal>client_idle_limit</literal> is set 0,
-         <literal>remaining</literal> is not desplayed.
+         If <xref linkend="guc-child-life-time"> is set not 0,
+         the time before process restarting is displayed.
         </para>
        </listitem>
       </itemizedlist>
@@ -126,17 +124,17 @@
   <para>
    Here is an example session:
    <programlisting>
-postgres=# show pool_processes;
- pool_pid |              start_time               | client_connection_count | database | username | backend_connection_time | pool_counter |       status
-----------+---------------------------------------+-------------------------+----------+----------+-------------------------+--------------+---------------------
- 6685     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6686     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6687     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6688     | 2021-09-07 02:41:13 (remaining: 4:10) | 1                       | postgres | postgres | 2021-09-07 02:41:48     | 1            | Idle
- 6689     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6690     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6691     | 2021-09-07 02:41:13 (remaining: 5:00) | 0                       |          |          |                         |              | Wait for connection
- 6692     | 2021-09-07 02:41:13 (remaining: 5:00) | 2                       | postgres | postgres | 2021-09-07 02:42:38     | 1            | Execute command
+test=# show pool_processes;
+ pool_pid |                      start_time                      | client_connection_count | database | username | backend_connection_time | pool_counter |       status
+----------+------------------------------------------------------+-------------------------+----------+----------+-------------------------+--------------+---------------------
+ 32641    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32642    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32643    | 2021-09-28 04:40:45                                  | 0                       | test     | kawamoto | 2021-09-28 04:40:48     | 1            | Idle
+ 32644    | 2021-09-28 04:40:45                                  | 0                       | test     | kawamoto | 2021-09-28 04:43:15     | 1            | Execute command
+ 32645    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32646    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32647    | 2021-09-28 04:40:45                                  | 0                       |          |          |                         |              | Wait for connection
+ 32648    | 2021-09-28 04:40:45 (3:15 before process restarting) | 2                       |          |          |                         |              | Wait for connection
 (8 rows)
    </programlisting>
   </para>
diff --git a/src/include/pcp/libpcp_ext.h b/src/include/pcp/libpcp_ext.h
index acf9407..bc523d4 100644
--- a/src/include/pcp/libpcp_ext.h
+++ b/src/include/pcp/libpcp_ext.h
@@ -169,6 +169,8 @@ typedef struct
 {
 	pid_t		pid;			/* OS's process id */
 	time_t		start_time;		/* fork() time */
+	char		connected;		/* if not 0 this process is already used*/
+	int			wait_for_connect;	/* waiting time for client connection (s) */
 	ConnectionInfo *connection_info;	/* head of the connection info for
 										 * this process */
 	int			client_connection_count;	/* how many times clients used this process */
@@ -248,7 +250,7 @@ typedef struct
 	char		backend_connection_time[POOLCONFIG_MAXDATELEN + 1];
 	char		client_connection_time[POOLCONFIG_MAXDATELEN + 1];
 	char		client_disconnection_time[POOLCONFIG_MAXDATELEN + 1];
-	char		client_idle_duration[POOLCONFIG_MAXCOUNTLEN + 1];
+	char		client_idle_duration[POOLCONFIG_MAXDATELEN + 1];
 	char		pool_majorversion[POOLCONFIG_MAXCOUNTLEN + 1];
 	char		pool_minorversion[POOLCONFIG_MAXCOUNTLEN + 1];
 	char		pool_counter[POOLCONFIG_MAXCOUNTLEN + 1];
diff --git a/src/main/pgpool_main.c b/src/main/pgpool_main.c
index fda8e6d..eb1df00 100644
--- a/src/main/pgpool_main.c
+++ b/src/main/pgpool_main.c
@@ -411,6 +411,8 @@ PgpoolMain(bool discard_status, bool clear_memcache_oidmaps)
 		process_info[i].start_time = time(NULL);
 		process_info[i].client_connection_count = 0;
 		process_info[i].status = WAIT_FOR_CONNECT;
+		process_info[i].connected = 0;
+		process_info[i].wait_for_connect = 0;
 	}
 
 	/* create pipe for delivering event */
@@ -2026,6 +2028,8 @@ failover(void)
 						process_info[i].start_time = time(NULL);
 						process_info[i].client_connection_count = 0;
 						process_info[i].status = WAIT_FOR_CONNECT;
+						process_info[i].connected = 0;
+						process_info[i].wait_for_connect = 0;
 					}
 				}
 				else
@@ -2495,6 +2499,8 @@ reaper(void)
 						new_pid = process_info[i].pid;
 						process_info[i].client_connection_count = 0;
 						process_info[i].status = WAIT_FOR_CONNECT;
+						process_info[i].connected = 0;
+						process_info[i].wait_for_connect = 0;
 					}
 					else
 						process_info[i].pid = 0;
@@ -4260,6 +4266,8 @@ sync_backend_from_watchdog(void)
 					process_info[i].start_time = time(NULL);
 					process_info[i].client_connection_count = 0;
 					process_info[i].status = WAIT_FOR_CONNECT;
+					process_info[i].connected = 0;
+					process_info[i].wait_for_connect = 0;
 				}
 			}
 			else
diff --git a/src/protocol/child.c b/src/protocol/child.c
index 427c809..c4a432e 100644
--- a/src/protocol/child.c
+++ b/src/protocol/child.c
@@ -84,7 +84,7 @@ static bool connect_using_existing_connection(POOL_CONNECTION * frontend,
 static void check_restart_request(void);
 static void enable_authentication_timeout(void);
 static void disable_authentication_timeout(void);
-static int	wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr);
+static int	wait_for_new_connections(int *fds, SockAddr *saddr);
 static void check_config_reload(void);
 static void get_backends_status(unsigned int *valid_backends, unsigned int *down_backends);
 static void validate_backend_connectivity(int front_end_fd);
@@ -147,9 +147,6 @@ do_child(int *fds)
 	POOL_CONNECTION_POOL *volatile backend = NULL;
 	struct timeval now;
 	struct timezone tz;
-	struct timeval timeout;
-	static int	connected = 0;	/* non 0 if has been accepted connections from
-								 * frontend */
 
 	/* counter for child_max_connections.  "volatile" declaration is necessary
 	 * so that this is counted up even if long jump is issued due to
@@ -311,9 +308,6 @@ do_child(int *fds)
 	/* We can now handle ereport(ERROR) */
 	PG_exception_stack = &local_sigjmp_buf;
 
-	timeout.tv_sec = pool_config->child_life_time;
-	timeout.tv_usec = 0;
-
 	for (;;)
 	{
 		StartupPacket *sp;
@@ -335,10 +329,11 @@ do_child(int *fds)
 		/* Destroy session context for just in case... */
 		pool_session_context_destroy();
 
-		front_end_fd = wait_for_new_connections(fds, &timeout, &saddr);
+		front_end_fd = wait_for_new_connections(fds, &saddr);
+		proc_info->wait_for_connect = 0;
 		if (front_end_fd == OPERATION_TIMEOUT)
 		{
-			if (pool_config->child_life_time > 0 && connected)
+			if (pool_config->child_life_time > 0 && proc_info->connected)
 			{
 				ereport(DEBUG1,
 						(errmsg("child life %d seconds expired", pool_config->child_life_time)));
@@ -405,7 +400,7 @@ do_child(int *fds)
 			child_frontend = NULL;
 			continue;
 		}
-		connected = 1;
+		proc_info->connected = 1;
 
 		/*
 		 * show ps status
@@ -466,9 +461,6 @@ do_child(int *fds)
 		if (pool_config->log_disconnections)
 			log_disconnections(sp->database, sp->user);
 
-		timeout.tv_sec = pool_config->child_life_time;
-		timeout.tv_usec = 0;
-
 		/* increment queries counter if necessary */
 		if (pool_config->child_max_connections > 0)
 			connections_count++;
@@ -1457,7 +1449,7 @@ check_restart_request(void)
  */
 
 static int
-wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
+wait_for_new_connections(int *fds, SockAddr *saddr)
 {
 	fd_set		rmask;
 	int			numfds;
@@ -1475,10 +1467,10 @@ wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
 	static int	cnt;
 #endif
 
-	struct timeval *timeoutval;
-	struct timeval tv1,
-				tv2,
-				tmback = {0, 0};
+	struct timeval *timeout;
+	struct timeval timeoutdata;
+
+	ProcessInfo* proc_info = pool_get_process_info(getpid());
 
 	for (walk = fds; *walk != -1; walk++)
 		socket_set_nonblock(*walk);
@@ -1490,25 +1482,6 @@ wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
 
 	set_process_status(WAIT_FOR_CONNECT);
 
-	memcpy((char *) &rmask, (char *) &readmask, sizeof(fd_set));
-
-	if (timeout->tv_sec == 0 && timeout->tv_usec == 0)
-		timeoutval = NULL;
-	else
-	{
-		timeoutval = timeout;
-		tmback.tv_sec = timeout->tv_sec;
-		tmback.tv_usec = timeout->tv_usec;
-		gettimeofday(&tv1, NULL);
-
-#ifdef DEBUG
-		ereport(DEBUG3,
-				(errmsg("before select = {%d, %d}", timeoutval->tv_sec, timeoutval->tv_usec)));
-		ereport(DEBUG3,
-				(errmsg("g:before select = {%d, %d}", tv1.tv_sec, tv1.tv_usec)));
-#endif
-	}
-
 	/*
 	 * If child life time is disabled and serialize_accept is on, we serialize
 	 * select() and accept() to avoid the "Thundering herd" problem.
@@ -1560,12 +1533,45 @@ wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
 		}
 
 		set_ps_display("wait for connection request", false);
-		set_process_status(WAIT_FOR_CONNECT);
 		ereport(DEBUG1,
 				(errmsg("LOCKING select()")));
 	}
 
-	numfds = select(nsocks, &rmask, NULL, NULL, timeoutval);
+	for (;;)
+	{
+		/* check backend timer is expired */
+		if (backend_timer_expired)
+		{
+			pool_backend_timer();
+			backend_timer_expired = 0;
+		}
+
+		/* prepare select */
+		memcpy((char *) &rmask, (char *) &readmask, sizeof(fd_set));
+		if (pool_config->child_life_time > 0)
+		{
+			timeoutdata.tv_sec = 1;
+			timeoutdata.tv_usec = 0;
+			timeout = &timeoutdata;
+		}
+		else
+		{
+			timeout = NULL;
+		}
+
+		numfds = select(nsocks, &rmask, NULL, NULL, timeout);
+
+		/* not timeout*/
+		if (numfds != 0)
+			break;
+
+		/* timeout */
+		proc_info->wait_for_connect++;
+
+		if (proc_info->wait_for_connect > pool_config->child_life_time)
+			return OPERATION_TIMEOUT;
+
+	}
 
 	save_errno = errno;
 
@@ -1583,40 +1589,6 @@ wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
 		backend_timer_expired = 0;
 	}
 
-	/*
-	 * following code fragment computes remaining timeout val in a portable
-	 * way. Linux does this automatically but other platforms do not.
-	 */
-	if (timeoutval)
-	{
-		gettimeofday(&tv2, NULL);
-
-		tmback.tv_usec -= tv2.tv_usec - tv1.tv_usec;
-		tmback.tv_sec -= tv2.tv_sec - tv1.tv_sec;
-
-		if (tmback.tv_usec < 0)
-		{
-			tmback.tv_sec--;
-			if (tmback.tv_sec < 0)
-			{
-				timeout->tv_sec = 0;
-				timeout->tv_usec = 0;
-			}
-			else
-			{
-				tmback.tv_usec += 1000000;
-				timeout->tv_sec = tmback.tv_sec;
-				timeout->tv_usec = tmback.tv_usec;
-			}
-		}
-#ifdef DEBUG
-		ereport(DEBUG3,
-				(errmsg("g:after select = {%d, %d}", tv2.tv_sec, tv2.tv_usec)));
-		ereport(DEBUG3,
-				(errmsg("after select = {%d, %d}", timeout->tv_sec, timeout->tv_usec)));
-#endif
-	}
-
 	errno = save_errno;
 
 	if (numfds == -1)
@@ -1628,12 +1600,6 @@ wait_for_new_connections(int *fds, struct timeval *timeout, SockAddr *saddr)
 				 errdetail("select on socket failed with error : \"%m\"")));
 	}
 
-	/* timeout */
-	if (numfds == 0)
-	{
-		return OPERATION_TIMEOUT;
-	}
-
 	for (walk = fds; *walk != -1; walk++)
 	{
 		if (FD_ISSET(*walk, &rmask))
diff --git a/src/utils/pool_process_reporting.c b/src/utils/pool_process_reporting.c
index 33a8544..0fcdc5e 100644
--- a/src/utils/pool_process_reporting.c
+++ b/src/utils/pool_process_reporting.c
@@ -1424,22 +1424,27 @@ get_pools(int *nrows)
 		proc_id = process_info[child].pid;
 		pi = pool_get_process_info(proc_id);
 
-		int remaining_time = pool_config->client_idle_limit;
-		if (pool_config->client_idle_limit)
+		int exist_live_connection = 0;
+		for (pool = 0; pool < pool_config->max_pool; pool++)
 		{
-			for (pool = 0; pool < pool_config->max_pool; pool++)
+			poolBE = pool * MAX_NUM_BACKENDS;
+			if (pi->connection_info[poolBE].connected)
 			{
-				for (backend_id = 0; backend_id < NUM_BACKENDS; backend_id++)
-				{
-					poolBE = pool * MAX_NUM_BACKENDS + backend_id;
-					if (pi->connection_info[poolBE].client_idle_duration > 0)
-						remaining_time = pool_config->client_idle_limit - pi->connection_info[poolBE].client_idle_duration;
-				}
+				exist_live_connection = 1;
+				break;
 			}
 		}
 
+
 		for (pool = 0; pool < pool_config->max_pool; pool++)
 		{
+			int idle_duration = pi->connection_info[pool * MAX_NUM_BACKENDS].client_idle_duration;
+			int cliet_idle_time = pool_config->client_idle_limit;
+			if (pool_config->client_idle_limit > 0)
+			{
+				cliet_idle_time = pool_config->client_idle_limit - idle_duration;
+			}
+
 			for (backend_id = 0; backend_id < NUM_BACKENDS; backend_id++)
 			{
 				poolBE = pool * MAX_NUM_BACKENDS + backend_id;
@@ -1447,15 +1452,19 @@ get_pools(int *nrows)
 
 				if (pi->start_time)
 				{
-					if (pool_config->client_idle_limit)
+					if ((pool_config->child_life_time > 0)
+						&& (pi->connected)
+						&& (!exist_live_connection))
 					{
 						char proc_start_time[POOLCONFIG_MAXDATELEN + 1];
+						int wait_for_connect_time = pool_config->child_life_time - pi->wait_for_connect;
+
 						strftime(proc_start_time, sizeof(proc_start_time),
 								 "%Y-%m-%d %H:%M:%S", localtime(&pi->start_time));
 						snprintf(pools[lines].process_start_time, sizeof(pools[lines].process_start_time),
-								 "%s (remaining: %d:%02d)", proc_start_time,
-								 remaining_time / 60,
-								 remaining_time % 60);
+								 "%s (%d:%02d before process restarting)", proc_start_time,
+								 wait_for_connect_time / 60,
+								 wait_for_connect_time % 60);
 					}
 					else
 					{
@@ -1473,7 +1482,8 @@ get_pools(int *nrows)
 				snprintf(pools[lines].client_connection_count, sizeof(pools[lines].client_connection_count),
 						 "%d", pi->client_connection_count);
 
-				if (pi->connection_info[poolBE].client_connection_time == 0){
+				if (pi->connection_info[poolBE].client_connection_time == 0)
+				{
 					*(pools[lines].client_connection_time) = '\0';
 				}
 				else
@@ -1482,7 +1492,8 @@ get_pools(int *nrows)
 						 "%Y-%m-%d %H:%M:%S", localtime(&pi->connection_info[poolBE].client_connection_time));
 				}
 
-				if (pi->connection_info[poolBE].client_disconnection_time == 0){
+				if (pi->connection_info[poolBE].client_disconnection_time == 0)
+				{
 					*(pools[lines].client_disconnection_time) = '\0';
 				}
 				else
@@ -1491,8 +1502,17 @@ get_pools(int *nrows)
 						 "%Y-%m-%d %H:%M:%S", localtime(&pi->connection_info[poolBE].client_disconnection_time));
 				}
 
-				snprintf(pools[lines].client_idle_duration, sizeof(pools[lines].client_idle_duration), "%d",
-						 pi->connection_info[poolBE].client_idle_duration);
+				if ((pool_config->client_idle_limit > 0)
+					&& (pi->connection_info[poolBE].connected))
+				{
+					snprintf(pools[lines].client_idle_duration, sizeof(pools[lines].client_idle_duration),
+							 "%d (%d:%02d before client disconnected)", idle_duration,
+							 cliet_idle_time / 60,
+							 cliet_idle_time % 60);
+				}
+				else
+					snprintf(pools[lines].client_idle_duration, sizeof(pools[lines].client_idle_duration),
+							 "%d", idle_duration);
 
 				if (strlen(pi->connection_info[poolBE].database) == 0)
 				{
@@ -1581,6 +1601,7 @@ get_processes(int *nrows)
 	int			poolBE;
 	ProcessInfo *pi = NULL;
 	int			proc_id;
+	int			backend_id;
 
 	POOL_REPORT_PROCESSES *processes = palloc(pool_config->num_init_children * sizeof(POOL_REPORT_PROCESSES));
 
@@ -1589,31 +1610,31 @@ get_processes(int *nrows)
 		proc_id = process_info[child].pid;
 		pi = pool_get_process_info(proc_id);
 
-		int remaining_time = pool_config->client_idle_limit;
-		if (pool_config->client_idle_limit)
+		int exist_live_connection = 0;
+		for (pool = 0; pool < pool_config->max_pool; pool++)
 		{
-			int backend_id;
-			for (pool = 0; pool < pool_config->max_pool; pool++)
+			poolBE = pool * MAX_NUM_BACKENDS;
+			if (pi->connection_info[poolBE].connected)
 			{
-				for (backend_id = 0; backend_id < NUM_BACKENDS; backend_id++)
-				{
-					poolBE = pool * MAX_NUM_BACKENDS + backend_id;
-					if (pi->connection_info[poolBE].client_idle_duration > 0)
-						remaining_time = pool_config->client_idle_limit - pi->connection_info[poolBE].client_idle_duration;
-				}
+				exist_live_connection = 1;
+				break;
 			}
 		}
 
 		snprintf(processes[child].pool_pid, POOLCONFIG_MAXCOUNTLEN, "%d", proc_id);
-		if (pool_config->client_idle_limit)
+		if ((pool_config->child_life_time > 0)
+			&& (pi->connected)
+			&& (!exist_live_connection))
 		{
 			char proc_start_time[POOLCONFIG_MAXDATELEN + 1];
+			int wait_for_connect_time = pool_config->child_life_time - pi->wait_for_connect;
+
 			strftime(proc_start_time, sizeof(proc_start_time),
 					 "%Y-%m-%d %H:%M:%S", localtime(&pi->start_time));
 			snprintf(processes[child].process_start_time, sizeof(processes[child].process_start_time),
-					 "%s (remaining: %d:%02d)", proc_start_time,
-					 remaining_time / 60,
-					 remaining_time % 60);
+					 "%s (%d:%02d before process restarting)", proc_start_time,
+					 wait_for_connect_time / 60,
+					 wait_for_connect_time % 60);
 		}
 		else
 		{
