Re: Turning off atime on PostgreSQL DB volumes

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
Views: Raw Message | Whole Thread | Download mbox | Resend email
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
>

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Steve Crawford 2007-08-28 18:05:52 Re: Seeking datacenter PITR backup suggestions
Previous Message Andrus 2007-08-28 18:03:54 Re: Removing pollution from log files