Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct
Date: 2010-05-31 18:56:42
Message-ID: 201005311856.o4VIugF29849@momjian.us
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Robert Haas wrote:
> On Sat, May 8, 2010 at 10:40 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Bruce Momjian <bruce(at)momjian(dot)us> writes:
> >> Uh, did we decide that 'wal_keep_segments' was the best name for this
> >> GUC setting? ?I know we shipped beta1 using that name.
> >
> > I thought min_wal_segments was a reasonable proposal, but it wasn't
> > clear if there was consensus or not.
>
> I think most people thought it was another reasonable choice, but I
> think the consensus position is probably something like "it's about
> the same" rather than "it's definitely better". We had one or two
> people with stronger opinions than that on either side, I believe.

Agreed the current name seems OK. However, was there agreement that
wal_keep_segments = -1 should keep all WAL segements? I can see that as
useful for cases where you are doing a dump to be transfered to the
slave, and not using archive_command. This avoids the need for the "set
a huge value" solution.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ None of us is going to be here forever. +

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