Hi, On September 9, 2019 11:01:28 PM GMT+01:00, Tom Lane <[email protected]> wrote: >Andres Freund <[email protected]> writes: >> On September 9, 2019 10:51:26 PM GMT+01:00, Thomas Munro ><[email protected]> wrote: >>> On Tue, Sep 10, 2019 at 12:32 AM Andres Freund <[email protected]> >>> Did this cause the following failure in eval-plan-qual on >>> REL_12_STABLE? >>> >https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=prairiedog&dt=2019-09-09%2019%3A08%3A41 > >Just saw that :-( > >> Argh, yes, probably. But it's just isolationtester I think, not a >backed bug. Need to backport the recent fix in master to at least 12. >> Tom, do you think we should backpatch both the order fix and the >notice improvement, or just the former? And to which version? > >I think the first question is why is only prairiedog showing this.
We only saw the similar failure on master on a very small number of machines as well. Given The somewhat unusual way packets have to go out to be likely to be problematic, that's not too surprising. >Let's not panic until we understand that. If it's the packet ordering thing in isolationtester, then I think there's no need to panic, personally. And the output does look a lot like that. >prairiedog looks to be about 20 minutes away from finishing the >isolation tests for master, so that will be a useful data point >as to whether there's any 12/HEAD difference. I'll dig deeper >as soon as that run finishes. Cool. Andres -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
