From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
---|---|
To: | Zane Duffield <duffieldzane(at)gmail(dot)com> |
Cc: | "Zhijie Hou (Fujitsu)" <houzj(dot)fnst(at)fujitsu(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Lock timeouts and unusual spikes in replication lag with logical parallel transaction streaming |
Date: | 2025-09-22 08:36:36 |
Message-ID: | CAA4eK1J4NOkyVUwR4E7jL_Qg5U1VY9zHm1H345Ssf3Z3940YNA@mail.gmail.com |
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On Thu, Sep 18, 2025 at 9:47 AM Zane Duffield <duffieldzane(at)gmail(dot)com> wrote:
>
> Sorry for the late reply.
>
> After some more testing, we are going ahead with `streaming = parallel`, with the change to reset `lock_timeout` to the default.
>
>> No, as per my understanding it is because parallel apply worker
>> exiting due to lock_timeout set in the test. Ideally, the patch
>> proposed by Kuroda-San should show in LOGs that the parallel worker is
>> exiting due to lock_timeout. Can you try that once?
>
>
> I don't think I'll have time to compile a patched version and run the tests again, sorry. Have this information in the log probably would have made it easier to work this whole problem out, though, so I hope someone else can test out the change and get it merged.
>
Thanks for the feedback. I'll take care of this once the release
freeze for 18 is over.
--
With Regards,
Amit Kapila.
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