Re: ALTER SYSTEM SET command to change postgresql.conf parameters (RE: Proposal for Allow postgresql.conf values to be changed via SQL [review])

From: Greg Stark <stark(at)mit(dot)edu>
To: Dimitri Fontaine <dimitri(at)2ndquadrant(dot)fr>
Cc: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Josh Berkus <josh(at)agliodbs(dot)com>, Amit Kapila <amit(dot)kapila(at)huawei(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: ALTER SYSTEM SET command to change postgresql.conf parameters (RE: Proposal for Allow postgresql.conf values to be changed via SQL [review])
Date: 2013-08-01 14:17:04
Message-ID: CAM-w4HOee7Byz2rV9M-NDskDVsqTeYJeXow0tsdCuZk72A-3sw@mail.gmail.com
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We don't need per guc locking. This is the whole objection Tom had about
this patch being more complex than it has to be.

--
greg
On 1 Aug 2013 14:55, "Dimitri Fontaine" <dimitri(at)2ndquadrant(dot)fr> wrote:

> Greg Stark <stark(at)mit(dot)edu> writes:
> > I think people are going to laugh at us if an open source database
> > software can't manage a simple flat file database of settings,
> > especially one that is purely write-only and can be a simple dump of
> > settings that are set by alter system.
>
> So you say it's easier to implement per-GUC locking semantics correctly
> when using a single file with multiple units of information that all are
> of the same type? Interesting.
>
> Maybe the storage should actually be a shared catalog, in fact.
>
> Regards,
> --
> Dimitri Fontaine
> http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
>
>
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