calculating shared data memory space

From: Jean-Michel Pouré <jm(at)poure(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: calculating shared data memory space
Date: 2008-01-07 17:29:44
Message-ID: 1199726984.7894.2.camel@debian
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Dear Friends,

I am running a phpBB forum with more than 400.000 messages.
I would like to make sure that all indexes fit in shared memory.

How can I calculate the needed space of all indexes?
I remember this was part of VACUUM FULL ANALYSE or the like.

Kind regards,
Jean-Michel

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