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Re: Swapping in 7.4.3

From: "Jim Ewert" <jim(dot)ewert(at)excite(dot)com>
To: matthew(at)zeut(dot)net
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Swapping in 7.4.3
Date: 2004-07-15 13:49:33
Message-ID: 20040715134933.782C43955@xprdmailfe9.nwk.excite.com (view raw or flat)
Thread:
Lists: pgsql-performance
With pg_autovaccum it's now at 95M swap; averaging 5MB / day increase with same load.  Cache slightly increases or decreases according to top.

 --- On Tue 07/13, Matthew T. O'Connor < matthew(at)zeut(dot)net > wrote:
From: Matthew T. O'Connor [mailto: matthew(at)zeut(dot)net]
To: jim(dot)ewert(at)excite(dot)com
     Cc: pgsql-performance(at)postgresql(dot)org
Date: Tue, 13 Jul 2004 16:26:09 -0400
Subject: Re: [PERFORM] Swapping in 7.4.3

Jim Ewert wrote:<br>> When I went to 7.4.3 (Slackware 9.1) w/ JDBC, the improvements are that it doesn't initially take much memory (have 512M) and didn't swap. I ran a full vaccum and a cluster before installation, however speed degaded to 1 *second* / update of one row in 150 rows of data, within a day! pg_autovacuum now gives excellent performance however it is taking 66M of swap; only 270k cached.<br>> <br><br>Are you saying that your system stays fast now that you are using <br>pg_autovacuum, but pg_autovacuum is using 66M of memory?  Please <br>clarify, I'm not sure what question you want an answered.<br><br>Matthew<br><br>

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