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IDProjectCategoryView StatusLast Update
0000066Pgpool-IIBugpublic2015-01-08 16:15
Reporternagata Assigned Tonagata  
PrioritynormalSeverityminorReproducibilityN/A
Status closedResolutionfixed 
Product Version3.3 
Target Version3.3 
Summary0000066: [pgpool-general: 1978] pgpool 3.3.0 RC1 master/master - reset when on db is down
DescriptionHello,
i'm trying set up two pgpool in a master/master ( active/active) configuration, etch pgpool is in replication mode with two postgresql db 9.0.10.
pgpool1 in replication mode with postgres_A nad postgres_B
pgpool2 in replication mode with postgres_A nad postgres_B
( pgpool1 is on one server with postgres_A and on other server i have pgpool2 with postgres_B both are virtual server Ubuntu 12.04 64bit LTS)


my case is when one node or db or both is down - second one is serving sql

now my problem is that: when i kill one of db or pgpool node the second one restarting all sql session
( witch is very bad for me because external services connected to pgpool cant reconnect )

In log file have( i hope it is right part) :


Aug 1 19:12:20 waw1-pgpool1test pgpool[1901]: detect_error: kind: E
Aug 1 19:12:20 waw1-pgpool1test pgpool[1901]: detect_postmaster_down_error: receive admin shutdown error from a node.
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: detect_error: kind: E
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: detect_error: kind: E
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: detect_postmaster_down_error: receive admin shutdown error from a node.
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: postmaster on DB node 1 was shutdown by administrative command
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: degenerate_backend_set: 1 fail over request from pid 1900
Aug 1 19:12:20 waw1-pgpool1test pgpool[1901]: postmaster on DB node 1 was shutdown by administrative command
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: wd_recv_packet: recv failed
Aug 1 19:12:20 waw1-pgpool1test pgpool[1900]: degenerate_backend_set: failover request from pid 1900 is canceled by other pgpool
Aug 1 19:12:20 waw1-pgpool1test pgpool[1901]: degenerate_backend_set: 1 fail over request from pid 1901
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: wd_unlock: send unlock request: 1
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler called
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: starting to select new master node
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: wd_start_interlock: start interlocking
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: wd_assume_lock_holder: become a new lock holder
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: wd_unlock: send unlock request: 0
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: starting degeneration. shutdown host 192.168.89.53(5433)
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: Restart all children
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: kill 1870
Aug 1 19:12:20 waw1-pgpool1test pgpool[1870]: child received shutdown request signal 3
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: kill 1871
Aug 1 19:12:20 waw1-pgpool1test pgpool[1871]: child received shutdown request signal 3
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: kill 1872
Aug 1 19:12:20 waw1-pgpool1test pgpool[1872]: child received shutdown request signal 3
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: kill 1873
Aug 1 19:12:20 waw1-pgpool1test pgpool[1873]: child received shutdown request signal 3
Aug 1 19:12:20 waw1-pgpool1test pgpool[1857]: failover_handler: kill 1874
Aug 1 19:12:20 waw1-pgpool1test pgpool[1874]: child received shutdown request signal 3
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nagata

2013-09-10 17:30

developer   ~0000326

reply [pgpool-general: 2005]

Issue History

Date Modified Username Field Change
2013-08-02 18:45 nagata New Issue
2013-08-02 18:45 nagata Status new => assigned
2013-08-02 18:45 nagata Assigned To => nagata
2013-09-10 17:30 nagata Note Added: 0000326
2013-09-10 17:31 nagata Status assigned => feedback
2015-01-08 16:15 nagata Status feedback => closed
2015-01-08 16:15 nagata Resolution open => fixed