On Wed, Aug 17, 2022 at 11:15:28AM +0530, Pavan Deolasee wrote:
> I notice that pgstat_shutdown_hook() is registered as a before-shmem-exit
> callback. The callback is responsible for detaching from the pgstat shared
> memory segment. But looks like other parts of the system still expect it to
> be available during later stages of proc exit.
>
> It's not clear to me if pgstat shutdown should happen later or code that
> gets executed later in the cycle should not try to use pgstat. It's also
> entirely possible that my usage of SharedFileSet is completely wrong. If
> that's the case, please let me know the mistake in the usage.
That's visibly an issue with shared memory and the stats. I have
added an open item. Andres?
--
Michael