Re: autovacuum causing numerous regression-test failures

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: autovacuum causing numerous regression-test failures
Date: 2006-08-28 18:51:17
Message-ID: 200608282051.18137.peter_e@gmx.net
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Tom Lane wrote:
> I think we shall have to reconsider that patch to turn it on by
> default. So far I've seen two categories of failure:

So we turn autovacuum off for regression test instance.

> * manual ANALYZE issued by regression tests fails because autovac is
> analyzing the same table concurrently.

Or we put manual exceptions for the affected tables into pg_autovacuum.

> * contrib tests fail in their repeated drop/create database
> operations because autovac is connected to that database. (pl tests
> presumably have same issue.)

I opine that when a database is to be dropped, the connections should be
cut.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/

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