| From: | Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info> |
|---|---|
| To: | Rafael Domiciano <rafael(dot)domiciano(at)gmail(dot)com> |
| Cc: | chirag(dot)dave(at)gmail(dot)com, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: checkpoint_timeout |
| Date: | 2008-10-08 14:23:00 |
| Message-ID: | 1223475780.6070.10.camel@bnicholson-desktop |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Wed, 2008-10-08 at 10:31 -0200, Rafael Domiciano wrote:
> The server is running Postgres 8.2.4
> When the server is doing too much operations like I, U or D the
> postgres stop a while each 5 min...!
> I mean "stopping" that I don't receive any response from postgres, and
> the process the all people are running stay there, waiting for
> something.
> I read a several names to it like: gap, stall, slowdown... I don't
> know the write expression for this situation.
The bgwriter was added to help alleviate this problem.
What are your settings for that? The solution may be to push dirty
buffers to disk more aggressively via the bgwriter so you have less work
to do at checkpoint time.
--
Brad Nicholson 416-673-4106
Database Administrator, Afilias Canada Corp.
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