From: | Joshua Drake <jd(at)commandprompt(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Martin Pihlak <martin(dot)pihlak(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: reducing statistics write overhead |
Date: | 2008-09-05 19:27:08 |
Message-ID: | 20080905122708.462a0f44@jd-laptop |
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Lists: | pgsql-hackers |
On Fri, 05 Sep 2008 15:23:18 -0400
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Martin Pihlak <martin(dot)pihlak(at)gmail(dot)com> writes:
> > So, as a simple optimization I am proposing that the file should be
> > only written when some backend requests statistics. This would
> > significantly reduce the undesired write traffic at the cost of
> > slightly slower stats access.
>
> How necessary is this given the recent fixes to allow the stats file
> to be kept on a ramdisk?
From an usability and integration perspective this patch is a nice
touch. On demand is a nice feature when used correctly.
Sincerely,
Joshua D. Drake
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