Re: explain analyze reports that my queries are fast but they run very slowly

From: Nikolas Everett <nik9000(at)gmail(dot)com>
To: François Beausoleil <francois(at)teksol(dot)info>
Cc: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: explain analyze reports that my queries are fast but they run very slowly
Date: 2012-12-27 18:00:24
Message-ID: CAPmjWd2PTkOfRLFyQ0tfp0dXUb3_GfQO9T2U0m95ejA4sw5LHg@mail.gmail.com
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Actually that last paragraph doesn't make much sense. Please ignore it.

On Thu, Dec 27, 2012 at 12:58 PM, Nikolas Everett <nik9000(at)gmail(dot)com> wrote:

> New news - the hot slave seems to be performing as expected with no long
> pauses.
>
> It looks like we're using an archive_timeout of 60 seconds and default
> checkout_timeout and checkpoint_completion_target. I didn't do any of the
> research on this. It seems like we're asking postgres to clear all of the
> dirty buffers every 60 seconds. With 48 gigs of shared buffers we could
> have quite a few buffers to clear. Is there some place I could check on
> how all that is going?
>
> On Thu, Dec 27, 2012 at 12:45 PM, Nikolas Everett <nik9000(at)gmail(dot)com>wrote:
>
>> p
>
>
>

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