Re: Minimal logical decoding on standbys

On Fri, Apr 7, 2023 at 6:55 AM Andres Freund <andres@anarazel.de> wrote:
>
> On 2023-04-06 12:10:57 +0530, Amit Kapila wrote:
> > After this, I think for backends that have active slots, it would
> > simply cancel the current query. Will that be sufficient? Because we
> > want the backend process should exit and release the slot so that the
> > startup process can mark it invalid.
>
> We don't need them to exit, we just need them to release the slot. Which does
> happen when the query is cancelled. Imagine if that weren't the case - if a
> cancellation of pg_logical_slot_* wouldn't release the slot, we couldn't call
> it again before disconnecting. I also did verify that indeed the slot is
> released upon a cancellation.
>

makes sense. Thanks for the clarification!

--
With Regards,
Amit Kapila.