On Tue, Jul 25, 2023 at 10:33 PM Andres Freund wrote:
>
> On 2023-07-25 14:31:00 +0530, Amit Kapila wrote:
> > To ensure that all the data has been sent during the upgrade, we can
> > ensure that each logical slot's confirmed_flush_lsn (position in the
> > WAL till which subscriber has confirmed t
Hi,
On 2023-07-25 14:31:00 +0530, Amit Kapila wrote:
> To ensure that all the data has been sent during the upgrade, we can
> ensure that each logical slot's confirmed_flush_lsn (position in the
> WAL till which subscriber has confirmed that it has applied the WAL)
> is the same as current_wal_ins
Currently, we don't perform $SUBJECT at the time of shutdown of the
server. I think currently it will only have a minor impact that after
restart subscribers will ask to start processing before the
XLOG_CHECKPOINT_SHUTDOWN or maybe after the switchover the old
publisher will have an extra WAL recor
