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Old 04-24-2008, 06:16 PM
Erik Jones
 
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Default Re: connections slowing everything down?


On Apr 21, 2008, at 4:50 AM, Adrian Moisey wrote:

> Hi
>
> # ps -ef | grep idle | wc -l
> 87
> # ps -ef | grep SELECT | wc -l
> 5
>
>
> I have 2 web servers which connect to PGPool which connects to our
> postgres db. I have noticed that idle connections seem to take up
> CPU and RAM (according to top). Could this in any way cause things
> to slow down?


Dependant on how much memory you have in your system, yes. You can
fix the constant use of memory by idle connections by adjusting the
child_life_time setting in your pgpool.conf file. The default if 5
minutes which a bit long. Try dropping that down to 20 or 30 seconds.

Erik Jones

DBA | EmmaŽ
erik@myemma.com
800.595.4401 or 615.292.5888
615.292.0777 (fax)

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