From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Ondřej Světlík <osvetlik@flexibee.eu>
Cc: pgsql-admin@postgresql.org
Subject: Re: Autovacuum of pg_database
Date: Fri, 06 May 2016 12:38:16 -0400
Message-ID: <5836.1462552696@sss.pgh.pa.us> (raw)
In-Reply-To: <20160506161932.GA216183@alvherre.pgsql>
References: <20160506161932.GA216183@alvherre.pgsql>
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Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> Tom Lane wrote:
>> Actually, I realized after looking at it that the new wi_tableshared
>> field is unnecessary in my patch. The only important part is that
>> knowledge of relisshared be available when we're looking for conflicting
>> workers, and that is entirely local in do_autovacuum(). I'd started the
>> patch by adding wi_tableshared, on the expectation that it would be
>> necessary, but it ain't ...
> OK, if I understand you correctly then that is what my patch does -- the
> "sharedrel" flag in my patch is only inside do_autovacuum. Do you
> already have a test rig for this?
I didn't attempt to replicate the problem report, if that's what you
mean; I just tested it as far as running the regression tests.
regards, tom lane
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To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, alvherre@2ndquadrant.com, osvetlik@flexibee.eu
Subject: Re: Autovacuum of pg_database
In-Reply-To: <5836.1462552696@sss.pgh.pa.us>
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