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From: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
To: Steinar H. Gunderson <sgunderson@bigfoot.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: VACUUM vs. REINDEX
Date: Sat, 08 Jul 2006 11:16:46 +0200
Message-ID: <44AF77FE.5040901@kaltenbrunner.cc> (raw)
In-Reply-To: <20060708081316.GB6396@uio.no>
References: <6.2.3.0.2.20060707145857.0342ca58@mail.pandimensional.com>
	<Pine.LNX.4.64.0607071616450.3599@glacier.frostconsultingllc.com>
	<6.2.3.0.2.20060707163917.06ae3ea8@mail.brownpapertickets.com>
	<Pine.LNX.4.64.0607071719440.3599@glacier.frostconsultingllc.com>
	<6.2.3.0.2.20060707174316.0742f670@mail.brownpapertickets.com>
	<1d219a6f0607071828q1d63fe55k8a1faeccf03b0884@mail.gmail.com>
	<20060708081316.GB6396@uio.no>

Steinar H. Gunderson wrote:
> On Fri, Jul 07, 2006 at 09:28:52PM -0400, Chris Hoover wrote:
>> You need to increase your fsm settings.  The database is telling you it is
>> trying to store 177K+ pages, but you have only provided it with 20K.  Since
>> these pages are cheap, I would set your fsm up with at least the following.
> 
> While we're at it, is there a good reason why we simply aren't upping the FSM
> defaults? It seems like a lot of people are being bitten by it, and adding
> more pages and relations is as you say cheap...

that is already done in -HEAD at the initdb stage:

...
selecting default shared_buffers/max_fsm_pages ... 4000/200000
...

Stefan

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