Re: [HACKERS] shared memory based stat collector (was: Sharingrecord typmods between backends) - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: [HACKERS] shared memory based stat collector (was: Sharingrecord typmods between backends)
Date
Msg-id 20170815144851.pzpteeeiirdwaz3l@alvherre.pgsql
Whole thread Raw
In response to Re: [HACKERS] shared memory based stat collector (was: Sharing record typmods between backends)  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
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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