Failover of Logical Replication Slots in PostgreSQL

Replication slots ensure master can retain enough WAL segments for all slaves to receive them and prevent the master from removing rows that

If the replication lag is high, WAL log playback on the replica is slower than log generation on the primary instance, so data cannot be

slot basic instinct The slot cannot be created as you are connected to a replica Common cloud implementations of PostgreSQL do not allow the addition of logical slots on replicas

double the devil slot replication slot ReplicationSlot [active=false, latestFlushedLsn=LSN Creation of replication slot failed connect