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

From: Tatsuo Ishii <ishii(at)postgresql(dot)org>
To: nadav(at)tailorbrands(dot)com
Cc: pgpool-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Proposal: recent access based routing for primary-replica setups
Date: 2025-11-24 07:41:30
Message-ID: 20251124.164130.561276744202086083.ishii@postgresql.org
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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

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