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135007a100
The failover slots ensure a seamless transition of a subscriber after the standby is promoted. But the docs for it also explain the behavior of asynchronous replication which can confuse the readers. Reported-by: Masahiro Ikeda Backpatch-through: 17 Discussion: https://postgr.es/m/OS3PR01MB6390B660F4198BB9745E0526B18B2@OS3PR01MB6390.jpnprd01.prod.outlook.com