how smart is is pg with shared_buffers?

From: Joseph Shraibman <jks(at)selectacast(dot)net>
To: PgSQL General ML <pgsql-general(at)postgresql(dot)org>
Subject: how smart is is pg with shared_buffers?
Date: 2003-09-24 02:15:30
Message-ID: 3F70FE42.90101@selectacast.net
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Does pg know to keep indexes in memory and release table data? Does it use an lru
algorithm or does it know that certain tables are hit more often and others and should be
given prefrence?

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