Date: Tue, 2 Jun 2015 01:44:29 -0400
From: Noah Misch <noah@leadboat.com>
To: David Steele <david@pgmasters.net>
Cc: "Joshua D. Drake" <jd@commandprompt.com>,
 Robert Haas <robertmhaas@gmail.com>,
 Bruce Momjian <bruce@momjian.us>, Tom Lane <tgl@sss.pgh.pa.us>,
 Andres Freund <andres@anarazel.de>, Stephen Frost <sfrost@snowman.net>,
 Magnus Hagander <magnus@hagander.net>,
 "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>,
 pgsql-core <pgsql-core@postgresql.org>
Subject: Re: [CORE] postpone next week's release
Message-ID: <20150602054429.GB50317@tornado.leadboat.com>
References: 
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 <12510.1432958887@sss.pgh.pa.us>
 <CA+TgmoYovkev0xXnxaTD8vnt=M9Cn+RmOkVEouqwj6_9JLkzLw@mail.gmail.com>
 <20150530154559.GA25053@momjian.us>
 <CA+TgmoYHeUtO=MUUMOPQdvTj4Gpm02gtt+F6hfOreN8nYo-x9Q@mail.gmail.com>
 <556A3E26.8070902@pgmasters.net>
 <556A5805.5060309@commandprompt.com>
 <556A6908.8080600@pgmasters.net>
 <20150531154902.GA4798@tornado.leadboat.com>
 <556B322C.1070709@pgmasters.net>
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On Sun, May 31, 2015 at 12:09:16PM -0400, David Steele wrote:
> On 5/31/15 11:49 AM, Noah Misch wrote:
> > On Sat, May 30, 2015 at 09:51:04PM -0400, David Steele wrote:
> >> Sure - I can write code to do that.  But then why release a beta at all?
> > 
> > It's largely for the benefit of folks planning manual, or otherwise high-cost,
> > testing.  If you budget for just one big test per year, make it a test of
> > beta1.  For inexpensive testing, you may as well ignore beta and test git
> > master daily or weekly.
> 
> I've gotten to the point of (relatively) high-cost coding/testing.  The
> removal of checkpoint_segments and pause_on_recovery are leading to
> refactoring of not only the regressions tests but the actual backup
> code.  9.5 and 8.3 are the only versions that require exceptions in the
> code base.
> 
> I've already done basic testing against 9.5 by disabling certain tests.
>  Now I'm at the point where I need to start modifying code to take new
> 9.5 features/changes into account and make sure the regression tests
> work for 8.3-9.5 with the fewest number of exceptions possible.

Release of beta1 is the cue for that sort of work.

> From the perspective of backup/restore testing, 9.5 has the most changes
> since 9.0.  I'd like to know that the API at least is stable before
> investing the time in new development.

Its API will be as good as pgsql-hackers could make it; beta1 is also a call
for help discovering API problems we overlooked.  Subsequent API changes are
usually reactions to beta test reports.


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