Logical Replication on Standbys in Postgres 16

Calculating the number of replication slot and WAL senders required replication slot postgres Replication in PostgreSQL works by processing WAL files In order for this to work, all WAL files have to be transiently available until they replication slot Store replication slot name , type , plugin , database and datoid If PostgreSQL version is 10 or newer also store catalog_xmin and confirmed_flush_lsn When

replication slot already exists Postgres restart is required! Enabling logical replication Page 5 5 ○ Provide guarantees that WAL