To increase RAM or not

From: Nikhil Daddikar <ngd(at)celoxis(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: To increase RAM or not
Date: 2014-10-22 05:37:18
Message-ID: 2E29733A-A94A-43F3-BEDE-0AFB2731C7E0@celoxis.com
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Folks,

I have set about 12GB RAM (shared buffers) for our Postgresql instance. How do I know if this is actually being used? And is there a way to know by how much should I increase it, if it is not enough?

Thanks.

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