From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgsql-committers@lists.postgresql.org, Thomas Munro <thomas.munro@gmail.com>
Subject: Re: pgsql: Reorder EPQ work, to fix rowmark related bugs and improve effici
Date: Tue, 10 Sep 2019 11:39:46 -0400
Message-ID: <22458.1568129986@sss.pgh.pa.us> (raw)
In-Reply-To: <20190910113725.54d4z3arjgwdf6j6@alap3.anarazel.de>
References: <20190910013835.GA5167@alvherre.pgsql>
<30239.1568081602@sss.pgh.pa.us>
<20190910113725.54d4z3arjgwdf6j6@alap3.anarazel.de>
Andres Freund <andres@anarazel.de> writes:
> On 2019-09-09 22:13:22 -0400, Tom Lane wrote:
>> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
>>> As well as a28e10e82e54, I suppose. I agree with keeping the tool
>>> similar across branches, if we're going to do this.
>> Hm, good point. My first thought was that a28e10e82e54 is just
>> cosmetic, but it isn't entirely, because it suppresses notice
>> reports on the control connection. That means it might actually
>> be a prerequisite to having stable output with ebd499282 (the
>> change of client_min_messages).
>>
>> After reviewing the git log a little more, I'm inclined to think
>> we should only back-patch this stuff to 9.6, which is where 38f8bdcac
>> ("Modify the isolation tester so that multiple sessions can wait")
>> and a number of follow-up patches came in. That was enough of a
>> quantum jump in flexibility that it'd likely limit our ability to
>> back-patch tests further than that anyway. Also I don't think the
>> patches mentioned here would apply without that ...
> That seems like a good plan to me.
Hearing no votes against, I'll go make it so.
regards, tom lane
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To: pgsql-committers@postgresql.org
Cc: tgl@sss.pgh.pa.us, andres@anarazel.de, alvherre@2ndquadrant.com, thomas.munro@gmail.com
Subject: Re: pgsql: Reorder EPQ work, to fix rowmark related bugs and improve effici
In-Reply-To: <22458.1568129986@sss.pgh.pa.us>
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