Re: Details about pg_stat_bgwriter - Mailing list pgsql-admin

From Greg Smith
Subject Re: Details about pg_stat_bgwriter
Date
Msg-id 4C0F3E3E.6050805@2ndquadrant.com
Whole thread Raw
In response to Re: Details about pg_stat_bgwriter  (Thomas Kellerer <spam_eater@gmx.net>)
List pgsql-admin
Thomas Kellerer wrote:
> I don't think we have a caching issue though, it's just one (regular)
> bulk import that does some heavy writes which we need to tune. Read
> performance is absolutely fine, but everything around vacuum and
> checkpointing seems to slow down the import massively.
> So would taking a snapshot before and after this import be the right
> way to start the analysis?

Sure.  Might want to grab one at those two points, then at a point right
before the next big import happens, so that you have what a relatively
idle period looks like for comparison sake.

--
Greg Smith  2ndQuadrant US  Baltimore, MD
PostgreSQL Training, Services and Support
greg@2ndQuadrant.com   www.2ndQuadrant.us


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