Yes, Laurenz. You are right. -----Original Message----- From: Laurenz Albe <laurenz.albe@xxxxxxxxxxx> Sent: Tuesday, November 1, 2022 12:23 PM To: Sacheen Birhade <sacheen.birhade@xxxxxxxxxxx>; KK CHN <kkchn.in@xxxxxxxxx>; pgsql-admin@xxxxxxxxxxxxxxxxxxxx Subject: Re: [External] Re: WAL Replication query On Tue, 2022-11-01 at 06:44 +0000, Sacheen Birhade wrote: > If replication is in asynchronous then there will be data loss, right Laurenz? Why? The data will perhaps show up on the standby a little later, but why is that data loss? Remember that the question was about replication, and there was no mention of failover. Yours, Laurenz Albe