| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Cc: | Theo Schlossnagle <jesus(at)omniti(dot)com>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: Expose checkpoint start/finish times into SQL. |
| Date: | 2008-04-03 22:29:48 |
| Message-ID: | 20080403152948.13551f38@commandprompt.com |
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| Lists: | pgsql-patches |
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On Thu, 03 Apr 2008 23:21:49 +0100
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> wrote:
> Theo Schlossnagle wrote:
> > First whack at exposing the start and finish checkpoint times into
> > SQL.
>
> Why is that useful?
For knowing how long checkpoints are taking. If they are taking too
long you may need to adjust your bgwriter settings, and it is a
serious drag to parse postgresql logs for this info.
Joshua D. Drake
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