From: Claus Guttesen <kometen@gmail.com>
To: Kari Lavikka <tuner@bdb.fi>
Cc: pgsql-performance@postgresql.org
Subject: Re: Finding bottleneck
Date: Thu, 28 Jul 2005 13:52:03 +0200
Message-ID: <b41c75520507280452751f40f@mail.gmail.com> (raw)
In-Reply-To: <Pine.HPX.4.62.0507281215420.2164@purple.bdb.fi>
References: <Pine.HPX.4.62.0507281215420.2164@purple.bdb.fi>
> effective_cache_size = 1000000 # typically 8KB each
I have this setting on postgresql 7.4.8 on FreeBSD with 4 GB RAM:
effective_cache_size = 27462
So eventhough your machine runs Debian and you have four times as much
RAM as mine your effective_cache_size is 36 times larger. You could
try lowering this setting.
regards
Claus
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To: pgsql-performance@postgresql.org
Cc: kometen@gmail.com, tuner@bdb.fi
Subject: Re: Finding bottleneck
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