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Re: Inactive memory Grows unlimited

From: Matteo Beccati <php(at)beccati(dot)com>
To: ALVARO ARCILA <arcila_alvaro(at)hotmail(dot)com>,pgsql-performance(at)postgresql(dot)org
Cc: alvherre(at)commandprompt(dot)com
Subject: Re: Inactive memory Grows unlimited
Date: 2006-04-24 05:36:57
Message-ID: 444C63F9.7000306@beccati.com (view raw or flat)
Thread:
Lists: pgsql-performance
Hi,

>> The amount of Inactive memory Grows unlimited .... this happens only when 
>> Postgresql (8.1.1) is running... after a few days it "eats" all the RAM 
>> memory ... so I've have to restart the server to free RAM....
> 
> This is normal Unix behavior.  Leave it running for a few more days and
> you'll that nothing wrong happens.  Why do you think you need "free"
> memory?
> 
> Only if the swap memory start getting used a lot you need to worry about
> memory consumption.
> 
> You should upgrade to 8.1.3 BTW.

Also, shared_buffers seem too low and work_mem too much high for your setup:

> shared_buffers = 1000
> work_mem = 131076

You should really raise shared_buffers and decrease work_mem: 1000 
shared_buffers is probably too conservative. On the other hand 128MB per 
sort could be eating your RAM quickly with 18 users connected.


Best regards
--
Matteo Beccati
http://phpadsnew.com
http://phppgads.com

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