Re: MultiXact\SLRU buffers configuration

> On 31 Oct 2024, at 17:29, Thom Brown <thom@linux.com> wrote:
>
> On Thu, 31 Oct 2024 at 10:47, Andrey M. Borodin <x4mmm@yandex-team.ru> wrote:
>>
>>
>>
>>> On 29 Oct 2024, at 21:45, Thom Brown <thom@linux.com> wrote:
>>>
>>> It clearly checks for interrupts, but when I saw this issue happen, it
>>> wasn't interruptible.
>>
>> Perhaps, that was different multixacts?
>> When I was observing this pathology on Standby, it was a stream of different reads encountering different multis.
>>
>> Either way startup can cancel locking process on it's own. Or is it the case that cancel was not enough, did you
actuallyneed termination, not cancel? 
>
> Termination didn't work on either of the processes.

How did you force the process to actually terminate?
Did you observe repeated read of the same multixact?
Was offending process holding any locks while waiting?


Best regards, Andrey Borodin.