A Guide to Logical Replication and CDC in PostgreSQL

website replication slot postgres Application of replication slots in PostgreSQL Replication slots in PostgreSQL are a mechanism for streaming physical and logical replication replication slot Specifies the maximum number of replication slots that the server can support The default is 10 This parameter can only be set at server

replication slot postgres The replication slot basically tells Postgres not to recycle or remove any WAL files that could ultimately prevent it from catching up with the  Replication slots are used to safeguard against the premature deletion of WAL segments before they have been applied by the standby server, thus   postgresql_slot module

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