Re: pgstat wait timeout

Excerpts from Steve Crawford's message of mar dic 27 22:51:06 -0300 2011:
> I have a system (9.0.4 on Ubuntu Server 10.04 LTS x86_64) that is
> currently in test/dev mode. I'm currently seeing the following messages
> occurring every few seconds:
>
> ...
> Dec 27 17:43:22 foo postgres[23693]: [6-1] : WARNING:  pgstat wait timeout
> Dec 27 17:43:27 foo postgres[27324]: [71400-1] : WARNING:  pgstat wait
> timeout
> Dec 27 17:43:33 foo postgres[23695]: [6-1] : WARNING:  pgstat wait timeout
> Dec 27 17:43:54 foo postgres[27324]: [71401-1] : WARNING:  pgstat wait
> timeout

Hm, so can you strace the stats collector to see what it's doing?  Maybe
grab a backtrace with GDB from it before anything else.

My guess is 27324 is the autovac launcher and the others are autovac
workers just as they die.

--
Álvaro Herrera <alvherre@commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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