Re: subscriptionCheck failures on nightjar - Mailing list pgsql-hackers

From Tom Lane
Subject Re: subscriptionCheck failures on nightjar
Date
Msg-id 30652.1566831680@sss.pgh.pa.us
Whole thread Raw
In response to Re: subscriptionCheck failures on nightjar  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Responses Re: subscriptionCheck failures on nightjar
List pgsql-hackers
Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
> I'm willing to take a stab at it, but to do that I need a way to
> reproduce it. Tom, you mentioned you've managed to reproduce it in a
> qemu instance, but that it took some fiddling with qemu parmeters or
> something. Can you share what exactly was necessary?

I don't recall exactly what I did anymore, and it was pretty fiddly
anyway.  Upthread I suggested

>> Now that we know where the problem is, you could probably make it highly
>> reproducible by inserting a sleep of a few msec between the rename and the
>> second fsync.

so why not try that first?

            regards, tom lane



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