[Pgpool-general] pgpool 2.2.4: DEALLOCATED children

Tatsuo Ishii ishii at sraoss.co.jp
Wed Sep 23 09:41:14 UTC 2009


> Hi
> 
> We applied the patch with the same result. After some seconds child  
> processes go into DEALLOCATE state until pgpool gets completly hang.
> 
> root       592   569  4 23:31 ?        00:00:57 pgpool: sess sess  
> 127.0.0.1(56552) DEALLOCATE
> root       597   569  0 23:31 ?        00:00:03 pgpool: sess sess  
> 127.0.0.1(37107) DEALLOCATE
> root       603   569  4 23:31 ?        00:00:57 pgpool: sess sess  
> 127.0.0.1(41935) DEALLOCATE
> root       615   569  3 23:31 ?        00:00:47 pgpool: sess sess  
> 127.0.0.1(42742) DEALLOCATE
> root       625   569  0 23:31 ?        00:00:09 pgpool: sess sess  
> 127.0.0.1(34685) DEALLOCATE
> root      1173   569  4 23:36 ?        00:00:41 pgpool: sess sess  
> 127.0.0.1(47999) DEALLOCATE
> root      1200   569  1 23:36 ?        00:00:11 pgpool: sess sess  
> 127.0.0.1(37230) DEALLOCATE
> root      1490   569  7 23:38 ?        00:00:57 pgpool: sess sess  
> 127.0.0.1(60995) DEALLOCATE
> root      1512   569  3 23:38 ?        00:00:25 pgpool: sess sess  
> 127.0.0.1(38378) DEALLOCATE
> root      1712   569  4 23:42 ?        00:00:25 pgpool: sess sess  
> 127.0.0.1(45094) DEALLOCATE
> root      1715   569  4 23:42 ?        00:00:23 pgpool: sess sess  
> 127.0.0.1(34418) DEALLOCATE
> 
> 
> i attached the complete log for one of these processes.
> 
> 
> Please any test we can do to help the analsys just let us know.

It seems cause of this is, pgpool sends BEGIN to PostgreSQL and
PostgreSQL replies ERROR for unknown reason. I need to know why
PostgreSQL emits ERROR. Can you find error messages in the PostgreSQL
log?
--
Tatsuo Ishii
SRA OSS, Inc. Japan


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