From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: shared memory based stat collector (was: Sharing record typmods between backends) |
Date: | 2017-08-15 14:48:51 |
Message-ID: | 20170815144851.pzpteeeiirdwaz3l@alvherre.pgsql |
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Lists: | pgsql-hackers |
Tom Lane wrote:
> Robert Haas <robertmhaas(at)gmail(dot)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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