From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Creager <Robert_Creager@StorageTek.com>
Cc: matthew@zeut.net, pgsql-performance@postgresql.org, Andy Hewitt III <ralph_hewitt_iii@StorageTek.com>
Subject: Re: Huge performance problem between 7.4.1 and 8.0.3 - CS issue?
Date: Mon, 18 Jul 2005 13:52:53 -0400
Message-ID: <15472.1121709173@sss.pgh.pa.us> (raw)
In-Reply-To: <20050718114952.00004ac5@C118181.stortek.com>
References: <20050718114952.00004ac5@C118181.stortek.com>
Robert Creager <Robert_Creager@StorageTek.com> writes:
> Around 8:15 I was starting to receive hits of a few seconds of high CS hits,
> higher than the previous 7 hour run on 741. I changed the vacuum delay to 0 and
> HUP'ed the server (how can I see the value vacuum_cost_delay run
> time?).
Start a fresh psql session and "SHOW vacuum_cost_delay" to verify what
the active setting is.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, Robert_Creager@StorageTek.com, ralph_hewitt_iii@StorageTek.com
Subject: Re: Huge performance problem between 7.4.1 and 8.0.3 - CS issue?
In-Reply-To: <15472.1121709173@sss.pgh.pa.us>
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