At Wed, 20 Oct 2021 13:48:33 +0200, Dmitry Dolgov <9erthalion6@gmail.com> wrote in
> > On Wed, Oct 20, 2021 at 04:00:35PM +0500, Andrey Borodin wrote:
> > > 17 окт. 2021 г., в 21:55, Dmitry Dolgov <9erthalion6@gmail.com> написал(а):
> > > I wonder what would be side
> > > effects of clearing it when the snapshot is not suboverfloved anymore?
> >
> > I think we should just invalidate lastOverflowedXid on every XLOG_RUNNING_XACTS if subxid_overflow == false. I
can'tfind a reason not to do so.
>
> From what I understand that was actually the case, lastOverflowedXid was
> set to InvalidTransactionId in ProcArrayApplyRecoveryInfo if
> subxid_overflow wasn't set. Looks like 10b7c686e52a6d1bb has changed it,
> to what I didn't pay attention originally.
Unfortunately(?), that doesn't happen once standbyState reaches
STANDBY_SNAPSHOT_READY.
regards.
--
Kyotaro Horiguchi
NTT Open Source Software Center