This is a tutorial how to set up a postgresql replicated hot standby server with streaming replication, and we also set up the repmgr to monitor and manage the replication cluster. Unlike most tutorials that copy the database file from master to slave (or standby) in the middle of running pg_start_backup() and pg_end_backup(), repmgr is used to simplify the whole procedure. (But I still think that procedure helps you a lot to understand how postgresql warm standby, pitr, and hot standby replication work.)
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