Re: Could ANALYZE estimate bloat?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Stephen Frost <sfrost(at)snowman(dot)net>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: Could ANALYZE estimate bloat?
Date: 2013-09-20 22:56:24
Message-ID: 523CD298.5060800@agliodbs.com
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On 09/20/2013 02:17 PM, Stephen Frost wrote:
>> No?
>
> Err, I thought that was one of the things like ANALYZE *did* collect
> through the 'live tuples' number?

Nope. "live tuples" is updated by the stats collector, NOT by analyze.
Also, live vs. dead tuples doesn't tell me how much free *space* is
available on pages.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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