Re: My own performance/tuning q&a - Mailing list pgsql-performance

From scott.marlowe
Subject Re: My own performance/tuning q&a
Date
Msg-id Pine.LNX.4.33.0310241032270.24949-100000@css120.ihs.com
Whole thread Raw
In response to Re: My own performance/tuning q&a  (Vivek Khera <khera@kcilink.com>)
Responses Re: My own performance/tuning q&a
List pgsql-performance
On Fri, 24 Oct 2003, Vivek Khera wrote:

> >>>>> "AL" == Allen Landsidel <all@biosys.net> writes:
>
> AL> Well I had the vacuums running every 15 minutes for a while.. via a
> AL> simple cron script I wrote just to make sure no more than one vacuum
> AL> ran at once, and to 'nice' the job.. but performance on the db does
>
> "nice"-ing the client does nothing for the backend server that does
> the actual work.  You need to track down the PID of the backend server
> running the vacuum and renice *it* to get any effect.

Note that Tom has mentioned problems with possible deadlocks when nicing
individual backends before, so proceed with caution here.


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