[pgpool-general: 473] abnormal behavior pgpool on drop

Евгений Селявка evg.selyavka at gmail.com
Mon May 21 20:55:20 JST 2012


I have pgpool-II version 3.1.3 installed and three db postgresql 9.1.3 in
streaming replication. When i try to drop database i see this in pgpool log:

2012-05-21 15:01:48 LOG:   pid 15484: pool_send_and_wait: Error or notice
message from backend: : DB node id: 1 backend pid: 6769 statement: DROP
DATABASE xxx; message: database "xxx" is being accessed by other users
2012-05-21 15:02:20 LOG:   pid 26326: postmaster on DB node 1 was shutdown
by administrative command
2012-05-21 15:02:20 LOG:   pid 26326: degenerate_backend_set: 1 fail over
request from pid 26326
2012-05-21 15:02:20 LOG:   pid 4975: starting degeneration. shutdown host
10.141.2.54(5432)
2012-05-21 15:02:20 LOG:   pid 4975: Restart all children
2012-05-21 15:02:20 LOG:   pid 4975: execute command:
/etc/pgpool.d/failover.sh 1 10.141.2.54 5432 /var/lib/postgresql/9.1/main 0
10.141.2.53 0 1
2012-05-21_15:02:20 failover: Master failed at 10.141.2.54 (0). New master
is 10.141.2.53 (0)
2012-05-21_15:02:20 failover: New master start triggered.

Why pgpool initiated failover procedure on statement drop database? I add
drop statement in black_function_list may be this helps me.


-- 
С уважением Селявка Евгений
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