<div dir="ltr">Hi,<div><br></div><div>postgres=# SHOW POOL_POOLS;<br> pool_pid |     start_time      | pool_id | backend_id |       database        | username |     create_time     | majorversion | minorversion <br>| pool_counter | pool_backendpid | pool_connected <br>----------+---------------------+---------+------------+-----------------------+----------+---------------------+--------------+--------------<br>+--------------+-----------------+----------------<br><br> 141705   | 2021-07-01 01:51:20 | 0       | 0          | postgres              | postgres  | 2021-07-01 02:04:36 | 3            | 0            <br>| 1            | 154957          | 1<br> 141705   | 2021-07-01 01:51:20 | 0       | 1          | postgres              | postgres  | 2021-07-01 02:04:36 | 3            | 0            <br>| 1            | 121689  <br><div><br></div><div>Here pool_pid is the same for both entries but pool_backendpid is different. </div><div>Anyone please help me to understand what are 2 different ids.</div><div>Also if we use postgres DB, connection_cache can be off since pgpool won't cache connections to postgres DB? </div><div><br></div><div>Thanks!</div></div></div>