Index Bloat - how to tell?

From: John W Strange <john(dot)w(dot)strange(at)jpmchase(dot)com>
To: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Index Bloat - how to tell?
Date: 2010-12-14 14:47:49
Message-ID: EF37296944B47C40ADDCCB7BFD6289FE046CDF1BCD@EMASC201VS01.exchad.jpmchase.net
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How can you tell when your indexes are starting to get bloated and when you need to rebuild them. I haven't seen a quick way to tell and not sure if it's being tracked.

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