| From: | Andrey Borodin <x4mmm(at)yandex-team(dot)ru> |
|---|---|
| To: | surya poondla <suryapoondla4(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Fix XLogFileReadAnyTLI silently applying divergent WAL from wrong timeline |
| Date: | 2026-09-04 19:02:33 |
| Message-ID: | 3238B48C-91CC-4029-AEEB-59AC561A25B0@yandex-team.ru |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi Surya,
On 31 Aug 2026, Surya Poondla wrote:
> Could it be gated on there actually being an older timeline to abandon,
> i.e. only when the eligible entry isn't the last in expectedTLEs?
Thank you for the review. PFA v4.
I first made "not searching older timelines for WAL segment" a
throttled LOG message. Looking at the result, however, it reports an
action recovery deliberately does not take. On reconsideration, it is
better left as a DEBUG1 diagnostic used by the tests. The tests enable
DEBUG1, while normal recovery logs remain unchanged. I also separated
xlogfname from path as suggested and renumbered the tests to 057/058.
Thank you!
Best regards, Andrey Borodin.
| Attachment | Content-Type | Size |
|---|---|---|
| v4-0001-Prevent-archive-recovery-from-reading-divergent-WAL.patch | application/octet-stream | 14.4 KB |
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