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From: Tom Lane <tgl@sss.pgh.pa.us>
To: "David G. Johnston" <david.g.johnston@gmail.com>
cc: Artem Tomyuk <admin@leboutique.com>,
        pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: avtovacuum queue
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Comments: In-reply-to "David G. Johnston" <david.g.johnston@gmail.com>
	message dated "Mon, 02 Apr 2018 08:34:39 -0700"
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"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Mon, Apr 2, 2018 at 8:30 AM, Artem Tomyuk <admin@leboutique.com> wrote:
>> i've noticed that during business hours autovacuum vacuum is not being
>> triggered on pg_attribute,
>> but during night time it triggered every two hours, both vacuum and
>> analyze, maybe you know why?

> ​Sounds like someone added a "cron job" somewhere.

... and, perhaps, explicitly disabled autovacuum on that table?

			regards, tom lane