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Needs Suggestion

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To: pgsql-general@xxxxxxxxxxxxxx
Subject: Needs Suggestion
From: SUBHAM ROY <subham.iem@xxxxxxxxx>
Date: Wed, 27 Apr 2011 20:05:12 +0530

Can I calculate the Buffer Hit ratio of a particular query in postgres? That is how many times it finds the required page in its buffer cache, pg_buffercache or the
linux buffer cache.

--
Thank You,
Subham Roy,
CSE IIT Bombay.

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