From: | Joe Conway <mail(at)joeconway(dot)com> |
---|---|
To: | "Burgholzer, Robert (DEQ)" <Robert(dot)Burgholzer(at)deq(dot)virginia(dot)gov> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: diagnosing a db crash - server exit code 2 |
Date: | 2011-09-23 19:23:18 |
Message-ID: | 4E7CDCA6.6060803@joeconway.com |
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Lists: | pgsql-admin |
On 09/23/2011 12:02 PM, Burgholzer, Robert (DEQ) wrote:
> I am trying to get my head around why I keep getting crashes to my PG
> 8.3.7 database on CentOS - Linux version 2.6.18-164.el5. There are 3
> slightly different (I think) circumstances leading to a crash of the
> database, all related in some way to long running PHP scripts with
> intensive activity on PG connections.
> #1 - execution of an R call via pLR (sometimes this may crash it all by
> itself)
> #2 - execution of a postGIS query (possible)
> #3 - random occurences, all related to the same long running PHP scripts
>
> I have read that perhaps hardware and/or system settings may cause
> this. I believe the system is running i9 processors, that may be set
> into some sort of virtual multi-threading mode. Thanks for any insight
> you all can give in tracking this down.
Are you maybe getting bitten by the OOM killer?
http://www.postgresql.org/docs/8.3/interactive/kernel-resources.html#AEN22246
Joe
--
Joe Conway
credativ LLC: http://www.credativ.us
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