Re: pg_autovacuum

From: Adam Kavan <akavan(at)cox(dot)net>
To: "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>
Cc: <pgsql-general(at)postgresql(dot)org>
Subject: Re: pg_autovacuum
Date: 2003-09-02 22:30:47
Message-ID: 5.2.1.1.0.20030902171511.00a533c0@pop.central.cox.net
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>So you probabaly want to do somethign like this:
>
>pg_autovacuum -d2 -s1 -S0 -v10 -V0 -a10 -A0 -L pg_autovacuum.out
>
>this will set debug=2, sleep only 1 sec after each look, and perform
>vacuums and analyzes after only 10 insert/update/delets and log it all to
>pg_autovacuum.out
>
>Run your update script
>
>Kill pg_autovacuum
>
>bzip the logfile and send it to the mailing list (or just to me if you
>prefer). Also a copy of your script might help.
>
>Matthew

Ok I ran pg_autovacuum using the supplied command line and have attached
the resulting log. My script is just INSERT INTO "PointUsage"
VALUES(DEFAULT,32,now(),1024); repeated several thousand times. I ran
autovac, then my script, then verified all of the rows were inserted then
ran DELETE FROM "PointUsage" WHERE "Value" = 1024; to kill all of the new
rows, and then killed autovac. The results are attached.

Thank you very much for taking the time to look at this for me.

--- Adam Kavan
--- akavan(at)cox(dot)net

Attachment Content-Type Size
pg_autovacuum.out.bz2 application/octet-stream 3.5 KB

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