Re: pg_attribute size

From: Naomi Walker <nwalke(at)eldocomp(dot)com>
To: Anj Adu <fotographs(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> , Steve Crawford <scrawford(at)pinpointresearch(dot)com> , "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: pg_attribute size
Date: 2009-10-26 22:57:41
Message-ID: 4AE62965.2040307@eldocomp.com
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We dump and vacuum every database every evening, so we can control
when the vacuums occur.

How does one vacuum the system catalogs? By each tablename pg_*?

Thanks,
Naomi

>
> On Mon, Oct 26, 2009 at 3:46 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Anj Adu <fotographs(at)gmail(dot)com> writes:
>>> We have several partitioned tables that get dropped every day ..We do
>>> not do autovacuum as it is an IO hog (and most tables are dropped
>>> anyways..and the large tables are never updated)..
>> If you're not going to run autovacuum then that means *you* must take
>> responsibility for vacuuming everything on a reasonable schedule.
>> That includes the system catalogs. I think you'd be better off taking
>> the effort to learn to tune autovacuum to fit your requirements.
>>
>> regards, tom lane
>>
>

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