From: Tom Lane <tgl@sss.pgh.pa.us>
To: Artem Tomyuk <admin@leboutique.com>
cc: Hubert Lubaczewski <depesz@depesz.com>, Keith <keith@keithf4.com>,
        pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: how to shrink pg_attribute table in some database
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Comments: In-reply-to Artem Tomyuk <admin@leboutique.com>
	message dated "Mon, 26 Mar 2018 18:41:48 +0300"
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Date: Mon, 26 Mar 2018 11:46:21 -0400
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Artem Tomyuk <admin@leboutique.com> writes:
> There was broken query that every time was creating temp table and than was
> trying to insert into this table some data in another query but within
> single connection, what happened next that second query was unable to be
> executed because of syntax error (yes, human factor), this query was
> repeated every minute by cron 24/7.

One temp table per minute doesn't explain this amount of bloat, unless
autovacuum had failed to process pg_attribute for a really really long
time.  It would be good to figure out why that happened.

			regards, tom lane