Re: Proposal: recent access based routing for primary-replica setups

From: Nadav Shatz <nadav(at)tailorbrands(dot)com>
To: Tatsuo Ishii <ishii(at)postgresql(dot)org>
Cc: pgpool-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Proposal: recent access based routing for primary-replica setups
Date: 2025-12-21 11:06:10
Message-ID: CACeKOO2urqxJAvKS_BrBTLnEjo75ZFBYN2+++e55GgjzzC_B5w@mail.gmail.com
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I think everything is passing now. new version attached.

On Mon, Nov 24, 2025 at 9:41 AM Tatsuo Ishii <ishii(at)postgresql(dot)org> wrote:

> Thank you for updating the patch! This time the patch applies without
> any issue and compiles fine. Unfortunately regression test failed.
>
> testing 041.external_replication_delay...failed.
>
> From the regression log, it seems Test7 failed.
>
> ------------------------------------------------------------------------------
> === Test7: Command timeout handling ===
> waiting for server to start....411181 2025-11-24 16:31:05.244 JST LOG:
> redirecting log output to logging collector process
> 411181 2025-11-24 16:31:05.244 JST HINT: Future log output will appear in
> directory "log".
> done
> server started
> waiting for server to start....411196 2025-11-24 16:31:05.352 JST LOG:
> redirecting log output to logging collector process
> 411196 2025-11-24 16:31:05.352 JST HINT: Future log output will appear in
> directory "log".
> done
> server started
> waiting for server to start....411213 2025-11-24 16:31:05.461 JST LOG:
> redirecting log output to logging collector process
> 411213 2025-11-24 16:31:05.461 JST HINT: Future log output will appear in
> directory "log".
> done
> server started
> Waiting for command timeout...
> fail: command timeout not detected
>
> ------------------------------------------------------------------------------
>
> Attached is the pgpool.log. If you need more info, please let me know.
>
> Best regards,
> --
> Tatsuo Ishii
> SRA OSS K.K.
> English: http://www.sraoss.co.jp/index_en/
> Japanese:http://www.sraoss.co.jp
>
>
> > Hi Tatsuo,
> >
> > Sorry again, this was due to the separation of 2 patches and i only sent
> > the one.
> >
> > I've merged it into 1 commit and 1 patch and rebased over master to avoid
> > these issues moving forward.
> >
> > PFA latest version
> >
> > On Thu, Nov 20, 2025 at 1:09 AM Tatsuo Ishii <ishii(at)postgresql(dot)org>
> wrote:
> >
> >> Hi Nadav,
> >>
> >> Thank you for new patch.
> >> Unfortunately the patch did not apply to current master.
> >>
> >> $ git apply
> >> ~/0001-Fix-multiple-issues-in-external-replication-delay-fe.patch
> >> error: patch failed: src/streaming_replication/pool_worker_child.c:694
> >> error: src/streaming_replication/pool_worker_child.c: patch does not
> apply
> >>
> >> Maybe the patch is on top of your previous patch?
> >>
> >> Also I suggest to use "-v" option of "git format-patch" to add the
> >> patch version number so that we can easily know which patch is the
> >> latest.
> >>
> >> Best regards,
> >> --
> >> Tatsuo Ishii
> >> SRA OSS K.K.
> >> English: http://www.sraoss.co.jp/index_en/
> >> Japanese:http://www.sraoss.co.jp
> >>
> >> > Hi Tatsuo,
> >> >
> >> > Please see attached an updated version.
> >> >
> >> > thank you
> >> >
> >> > On Fri, Nov 7, 2025 at 2:07 AM Tatsuo Ishii <ishii(at)postgresql(dot)org>
> >> wrote:
> >> >
> >> >> > Sorry for that - thanks for the patch.
> >> >> >
> >> >> > Please find attached a new version
> >> >>
> >> >> Thanks for the new version. Unfortunately this time regression test
> >> >> fails at:
> >> >>
> >> >> > Waiting for command timeout...
> >> >> > fail: command timeout not detected
> >> >>
> >> >> Attached is the pgpool.log.
> >> >>
> >> >> Best regards,
> >> >> --
> >> >> Tatsuo Ishii
> >> >> SRA OSS K.K.
> >> >> English: http://www.sraoss.co.jp/index_en/
> >> >> Japanese:http://www.sraoss.co.jp
> >> >>
> >> >> > On Mon, Nov 3, 2025 at 9:05 AM Tatsuo Ishii <ishii(at)postgresql(dot)org>
> >> >> wrote:
> >> >> >
> >> >> >> > thanks and sorry for the issues, please find attached updated
> >> version.
> >> >> >>
> >> >> >> No problem.
> >> >> >>
> >> >> >> This time the patch applies fine, no compiler warnings. However,
> >> >> >> regression test did not passed here (on Ubuntu 24 LTS if this
> >> >> >> matters). So I looked into
> >> >> >> src/test/regression/tests/041.external_replication_delay/test.sh a
> >> >> >> little bit and apply attached patch (test.sh.patch). It moved
> forward
> >> >> >> partially but failed at:
> >> >> >>
> >> >> >> fail: command execution failure not detected
> >> >> >>
> >> >> >> Please find attached
> >> >> >>
> >> >>
> >>
> src/test/regression/tests/041.external_replication_delay/testdir/pgpool.log
> >> >> >> and src/test/regression/log/041.external_replication_delay.
> >> >> >>
> >> >> >> Best regards,
> >> >> >> --
> >> >> >> Tatsuo Ishii
> >> >> >> SRA OSS K.K.
> >> >> >> English: http://www.sraoss.co.jp/index_en/
> >> >> >> Japanese:http://www.sraoss.co.jp
> >> >> >>
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Nadav Shatz
> >> >> > Tailor Brands | CTO
> >> >>
> >> >
> >> >
> >> > --
> >> > Nadav Shatz
> >> > Tailor Brands | CTO
> >>
> >
> >
> > --
> > Nadav Shatz
> > Tailor Brands | CTO
>

--
Nadav Shatz
Tailor Brands | CTO

Attachment Content-Type Size
external-replication-delay.patch application/octet-stream 89.3 KB

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