Re: auto vacuuming

From: Jim Nasby <jnasby(at)pervasive(dot)com>
To: Matthew T(dot) O'Connor <matthew(at)zeut(dot)net>
Cc: Gourish Singbal <gourish(at)gmail(dot)com>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: auto vacuuming
Date: 2006-04-03 16:09:31
Message-ID: 0EC17362-8EA3-468C-BC3A-19A0EB9A3A64@pervasive.com
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On Mar 31, 2006, at 5:45 PM, Matthew T. O'Connor wrote:
>>> I think the closest approximation of disabling autovacuum on a
>>> per database basis is to connect to the database in question and
>>> perform:
>>>
>>> update pg_autovacuum set enabled = 'false';
>>>
>>> This will prevent autovacuum from vacuuming or analyzing any of
>>> the tables in the database, but will still check for XID wraparound.
>>>
>>
>> Problem with that is any time you add a table you'd need to re-run
>> that
>> command. Wouldn't be so bad if we had DDL triggers, but...
>>
>
> Probably a dumb comment, but can you set a default value for the
> enabled column?

As Tom pointed out, that wouldn't help because rows aren't
automatically added to pg_autovacuum.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461

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