Horton

Re: BF mamba failure

Bertrand Drouvot <bertranddrouvot.pg@gmail.com>

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From: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
To: Kouber Saparev <kouber@gmail.com>
Cc: pgsql-hackers@lists.postgresql.org, Michael Paquier <michael@paquier.xyz>
Date: 2024-10-10T14:42:09Z
Lists: pgsql-hackers 
Hi,

On Thu, Oct 10, 2024 at 06:19:30AM +0000, Kouber Saparev wrote:
> Am I correct to believe this patch is fixing the "can only drop stats once" issue?
> 
> It just happened to us, one of our streaming replicas decided to shut down.

Does the error message looks like (added in [1]):

"
trying to drop stats entry already dropped: kind=%s dboid=%u objoid=%u refcount=%u",
"

by any chance? If so, would you mind to share it?

Regards,

[1]: https://postgr.es/c/d92573adcb

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

Commits

  1. Add information about "generation" when dropping twice pgstats entry

  2. Fix race conditions with drop of reused pgstats entries