At Wed, 14 Dec 2022 16:30:28 +0530, Amit Kapila <amit.kapil...@gmail.com> wrote 
in 
> On Wed, Dec 14, 2022 at 4:16 PM Hayato Kuroda (Fujitsu)
> <kuroda.hay...@fujitsu.com> wrote:
> > One idea to avoid that is to send the min_apply_delay subscriber option to 
> > publisher
> > and compare them, but it may be not sufficient. Because XXX_timout GUC 
> > parameters
> > could be modified later.
> >
> 
> How about restarting the apply worker if min_apply_delay changes? Will
> that be sufficient?

Mmm. If publisher knows that value, isn't it albe to delay *sending*
data in the first place? This will resolve many known issues including
walsender's un-terminatability, possible buffer-full and status packet
exchanging.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center


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