Re: wake up logical workers after ALTER SUBSCRIPTION

On Thu, Jan 5, 2023 at 10:49 PM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
>
> On Thu, Jan 05, 2023 at 11:34:37AM +0530, Amit Kapila wrote:
> > On Thu, Jan 5, 2023 at 10:16 AM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
> >> In v12, I moved the restart for two_phase mode to the end of
> >> process_syncing_tables_for_apply() so that we don't need to rely on another
> >> iteration of the loop.
> >
> > This should work but it is better to add a comment before calling
> > CommandCounterIncrement() to indicate that this is for making changes
> > to the relation state visible.
>
> Will do.
>

Isn't it better to move this part into a separate patch as this is
useful even without the main patch to improve wakeups?

> > Thinking along similar lines, won't apply worker need to be notified
> > of SUBREL_STATE_SYNCWAIT state change by the tablesync worker?
>
> wait_for_worker_state_change() should notify the apply worker in this case.
>

I think this is yet to be included in the patch, right?

--
With Regards,
Amit Kapila.