Hi Team, adding one more point here,
5. Pg_stat_replication_slot total_txn count reduces when lag occurs .Does decoding stop in case of logical replication delay? On Tue, 23 Apr 2024 at 22:55, Ramakrishna m <ram.p...@gmail.com> wrote: > Hi Team, > > I am facing replication lag in postgres16 at times,not able to find the > reason. > > Please find the configuration: > 1) Two replication slots for two servers (1 is the same data center, > another remote) > 2) weekly once/twice facing lag(around 2GB for 1k TPS environment) in the > remote replication slot and another same data center server slot with 0 > lag. > > My observation: > > 1) Noticed pg_stat_replication_slot total_txn reduced from 1k to 5 or 6 > but other slot is same with 1k TPS > 2)And noticed lag for remote slot but fine with same data center > 3) Most importantly I have plenty of Bandwidth available in n/w ,2GB is > still freely available out of 4GB network. > 4)No IO issues on servers > I am not able to prove if this is due to Network .Can you help me how to > proceed on this? > At Least how the logical decoding total_txn is counting the view > pg_stat_replication_slot? > > -- > Thanks & Regards, > Ram. > -- Thanks & Regards, Ram.