From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Thomas Munro <thomas.munro@enterprisedb.com>
Cc: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Pg Hackers <pgsql-hackers@postgresql.org>
Subject: Re: shared memory based stat collector (was: Sharing record typmods between backends)
Date: Tue, 15 Aug 2017 11:48:51 -0300
Message-ID: <20170815144851.pzpteeeiirdwaz3l@alvherre.pgsql> (raw)
In-Reply-To: <26393.1502805298@sss.pgh.pa.us>
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Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > I really, really strongly encourage you to rip the use of DSA out here
> > entirely. It is reducing the reliability of a critical part of the
> > system for no actual benefit other than speculation that this is going
> > to be better in the future, and it adds a bunch of failure cases that
> > we could just as well live without.
>
> FWIW, I vote with Robert on this. When and if you actually want to make
> that array resizable, it'd be time to introduce use of a DSA. But right
> now we need to be looking for simple and reliable solutions for v10.
Okay, I'll make it so.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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Cc: alvherre@2ndquadrant.com, tgl@sss.pgh.pa.us, robertmhaas@gmail.com, andres@anarazel.de, thomas.munro@enterprisedb.com, dilipbalaut@gmail.com
Subject: Re: shared memory based stat collector (was: Sharing record typmods between backends)
In-Reply-To: <20170815144851.pzpteeeiirdwaz3l@alvherre.pgsql>
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