Re: diagnosing a db crash - server exit code 2

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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

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