postgresql check replication slots
PostgreSQL: Documentation: 17: 52.19. pg_replication_slots
Practical PostgreSQL Logical Replication: Setting Up an Experimentation Environment Using Docker.
Queries for Optimizing and Debugging PostgreSQL ...
Streaming replication is a core utility of PostgreSQL introduced in version 9.0. Streaming replication allows a standby server to stay more up-to-date than is possible with file-based log shipping.
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PostgreSQL , wal_level, logical decoding,replication slot