From: | "Gavin M(dot) Roy" <gmr(at)myyearbook(dot)com> |
---|---|
To: | "Keaton Adams" <kadams(at)mxlogic(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Turning off atime on PostgreSQL DB volumes |
Date: | 2007-08-28 18:05:34 |
Message-ID: | af1bce590708281105r1340be1ex62d94f338b95e9bf@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
We use noatime on our production database without issues.
On 8/28/07, Bill Moran <wmoran(at)potentialtech(dot)com> wrote:
> In response to "Keaton Adams" <kadams(at)mxlogic(dot)com>:
>
> > After reading several articles on the performance drag that Linux atime
> > has on file systems we would like to mount our DB volumes with the
> > noatime parameter to see just what type of a performance gain we will
> > achieve. Does PostgreSQL use atime in any way when reading/writing
> > data? If we turn off/disable atime on the DB volumes will that cause
> > any type of issue at all with PostgreSQL 8.1 on Red Hat Enterprise
> > Linux?
>
> I frequently run with noatime and have never noticed any problems.
>
> --
> Bill Moran
> http://www.potentialtech.com
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>
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