On Sun, Sep 09, 2018 at 10:29:08PM +0800, magodo wrote:
> So I want to know what is the correct way to do it. Thank you in
> advance!
There are pg_last_wal_receive_lsn() and pg_last_wal_replay_lsn() which
allow you to know what is the last LSN received and replayed on a
standby. Those can be used when an instance is in recovery.
--
Michael