On Thu, Nov 14, 2024 at 10:07:41AM +0000, Bertrand Drouvot wrote:
> === 1
> 
> Maybe use "generation" instead of generation in the comments (where it's not 
> done,
> some comments do it already).

I've tweaked things to be more consistency, and applied that down to 15.

> === 2
> 
> We could think about adding a test. That should be doable with replication 
> slots
> or custom pgstats kinds and probably injection points. But I'm not sure that's
> worth it, as the code in the patch looks "simple" enough. Thoughts?

The tricky part is that this path involves a backend shutdown.  We
should be able to do something with a wait before the dshash_find() in
pgstat_release_entry_ref() with a BackgroundPsql object that gets
stopped, but I'm not sure if we can guarantee a lookup of
pg_stat_activity at this stage.  Let me see..
--
Michael

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