Re: Extreme bloating of intarray GiST indexes

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Extreme bloating of intarray GiST indexes
Date: 2011-05-04 18:50:35
Message-ID: 15606.1304535035@sss.pgh.pa.us
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Josh Berkus <josh(at)agliodbs(dot)com> writes:
> On 5/4/11 11:29 AM, Tom Lane wrote:
>> If you can't change the app, I'd suggest more aggressive autovacuuming
>> as the least painful fix.

> Will test that. It's not clear that vacuuming is helping at all.

Well, you realize of course that you need a REINDEX to get the index
size back down to a sane range. Autovacuum may or may not be able to
keep it from creeping back up ... but vacuum definitely won't remove
existing bloat.

regards, tom lane

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