A question on EFFECTIVE_CACHE_SIZE

From: "Steve Wolfe" <steve(at)iboats(dot)com>
To: <pgsql-general(at)postgresql(dot)org>
Subject: A question on EFFECTIVE_CACHE_SIZE
Date: 2001-05-31 20:11:08
Message-ID: 002a01c0ea0d$d743e7c0$50824e40@iboats.com
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The docs list EFFECTIVE_CACHE_SIZE as being a run-time parameter with
the postmaster's assumptions about the kernel disk cache size. Is that
something that is determined by querying the kernel, or by other means?
If it is determined in a less-than-precise manner, will setting it to a
more precise value benefit much?

steve

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