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Re: Postgres && Swap

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: steve(at)outtalimits(dot)com(dot)au
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Postgres && Swap
Date: 2008-09-17 06:46:13
Message-ID: dcc563d10809162346l18140d4y92b4679f0b3f2f9e@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-admin
On Tue, Sep 16, 2008 at 11:30 PM,  <steve(at)outtalimits(dot)com(dot)au> wrote:
> Hi All
>
>
> I recently made a change to my Postgres Server and upped the max_fsm_page
> size to 60000
> Since then, Postgres has been using about 30-80MB of swap space.
>
> This box has 4GB of RAM. All up Postgres has not been allocated no more
> than 3G
>
> Is this swapping something to be worried about?

I recommend  turning swappiness down in linux that should stop pg from
getting prematurely swapped out like that.

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