[pgpool-hackers: 3372] Re: [pgpool-committers: 5734] pgpool: Fix for duplicate failover request ...

Muhammad Usama m.usama at gmail.com
Thu Aug 8 15:19:08 JST 2019


On Fri, May 31, 2019 at 7:04 PM Tatsuo Ishii <ishii at sraoss.co.jp> wrote:

> > On Mon, May 27, 2019 at 10:25 AM Tatsuo Ishii <ishii at sraoss.co.jp>
> wrote:
> >
> >> > Hello, Usama and pgpool-hackers
> >> >
> >> > Thank you very much for writing and committing patches to solve the
> issue
> >> > that I reported.
> >> >
> >> > What do you think about back-patching them into 3.7.x or older
> versions?
> >> > Pgpool-II watchdog cluster can easily fall into the status that
> doesn't
> >> > work without the patch.
> >> >
> >> > The quarantine feature hasn't been documented in detail up to now, so
> >> > I think the behavior change of the first patch (*1) has no problem.
> >> > My customer who has trouble related to this mail thread uses 3.7.x
> >> version
> >> > and strongly hopes such a pgpool improvement.
> >> >
> >> > *1
> >> >
> >>
> https://git.postgresql.org/gitweb/?p=pgpool2.git;a=commitdiff;h=3dd1cd3f1528
> >>
> >> We know that this patch breaks existing regression test. So I don't
> >> think no user would notice the behavior change if the patch is
> >> back ported.
> >>
> >
> > I sort of agree with Takatsuka San, that the continuous health checking
> on
> > the quarantined backed nodes (first patch)
> > is not the kind of change that should cause problems if we decide to
> > backport it to older branches, In fact. it should be treated
> > as a bug and back-patched to all affected branches. Also, the reason for
> > the test case failure happening after that commit
> > was not because of the behaviour or functionality change. rather it was
> due
> > to the missing facility in health-check
> > debugging/testing mechanism which was required by that test case after
> the
> > change.
>
> Alright. Then let's back port the firsr patch.
>

I have backported the committ till Pgpool-II 3.7

Thanks
Best Regards
Muhammad Usama


> Best regards,
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
> English: http://www.sraoss.co.jp/index_en.php
> Japanese:http://www.sraoss.co.jp
>
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