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Re: checkpoint_timeout

From: chirag(dot)dave(at)gmail(dot)com
To: "Rafael Domiciano" <rafael(dot)domiciano(at)gmail(dot)com>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: checkpoint_timeout
Date: 2008-10-07 21:13:38
Message-ID: f1d4f3170810071413l3bb62167n2fa32a8ab1ec6dc@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-admin
What version of postgres are you running ?  and please also provide more
information about your suspected slowdown ?




On Tue, Oct 7, 2008 at 4:21 PM, Rafael Domiciano <rafael(dot)domiciano(at)gmail(dot)com
> wrote:

> Hello there,
> I'm having some slowndowns in my postgresql server, and I had been reading
> something about checkpoints, that could resolve my problem.
> Now, I have:
> checkpoint_segments = 30                # in logfile segments, min 1, 16MB
> each
> #checkpoint_timeout = 5min
>
> And I percebed that this slowndown is occuring for 5 min...! So I'm
> suposing that the problem is in the checkpoint_timeout.
>
> What's the impact to chang it to:
> checkpoint_timeout = 2min or
> checkpoint_timeout = 5min
>
> Tnhks,
>
> Rafael Domiciano
>

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