Re: REINDEX not working for wastedspace

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: sthomas(at)peak6(dot)com
Cc: AI Rumman <rummandba(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: REINDEX not working for wastedspace
Date: 2011-09-21 14:12:52
Message-ID: 22059.1316614372@sss.pgh.pa.us
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Shaun Thomas <sthomas(at)peak6(dot)com> writes:
> On 09/21/2011 02:01 AM, AI Rumman wrote:
>> Using the query http://wiki.postgresql.org/wiki/Show_database_bloat,
>> I got the following result for a table:

> God. I wish they would erase that Wiki page, or at least add a
> disclaimer. That query is no better than a loose estimate. Never, ever,
> ever depend on it for critical information about your tables. Ever.

The PG wiki is editable by anyone who signs up for an account. Feel
free to put in an appropriate disclaimer, or improve the sample query.

regards, tom lane

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