| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Steve Crawford <scrawford(at)pinpointresearch(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pgstat wait timeout |
| Date: | 2011-12-28 13:05:41 |
| Message-ID: | 1325077369-sup-2321@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-hackers |
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(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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