> On Wed, Oct 20, 2021 at 04:00:35PM +0500, Andrey Borodin wrote: > > 17 окт. 2021 г., в 21:55, Dmitry Dolgov <9erthali...@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't find 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.