Hi,
On September 9, 2019 11:01:28 PM GMT+01:00, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>Andres Freund <andres@anarazel.de> writes:
>> On September 9, 2019 10:51:26 PM GMT+01:00, Thomas Munro
><thomas.munro@gmail.com> wrote:
>>> On Tue, Sep 10, 2019 at 12:32 AM Andres Freund <andres@anarazel.de>
>>> 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
packetshave 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
doeslook 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
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