Re: Spurious pgstat_drop_replslot() call

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Alexander Lakhin <exclusion(at)gmail(dot)com>
Cc: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Spurious pgstat_drop_replslot() call
Date: 2024-03-12 22:37:22
Message-ID: ZfDZIgkzQnkPpGsC@paquier.xyz
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Tue, Mar 12, 2024 at 12:00:00PM +0300, Alexander Lakhin wrote:
> Sorry for a bit off-topic, but I've remembered an anomaly with a similar
> assert:
> https://www.postgresql.org/message-id/17947-b9554521ad963c9c%40postgresql.org

Thanks for the reminder. The invalidation path with the stats drop is
only in 16~.

> Maybe you would find it worth considering while working in this area...
> (I've just run that reproducer on b36fbd9f8 and confirmed that the
> assertion failure is still here.)

Indeed, something needs to happen. I am not surprised that it still
reproduces; nothing has changed with the locking of the stats entries.
:/
--
Michael

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Jelte Fennema-Nio 2024-03-12 22:43:03 Re: [EXTERNAL] Re: Add non-blocking version of PQcancel
Previous Message Thomas Munro 2024-03-12 21:53:40 Recent 027_streaming_regress.pl hangs