Logical Replication in PostgreSQL

In this post we have also explained about PostgreSQL 12 “replication slots” for standby node to avoid the master server from recycling old WAL segments before

errmsg(replication slot %s is active for PID %d, NameStr, active_pid))); } else if ConditionVariableCancelSleep(); * no sleep

replication slot is active for pid In this case the slot is called pg_basebackup_N where N is the PID of the backend process running the replication connection However there

replication slot #max_replication_slots = 10 # max number of replication slots replication launcher exited with exit code 1 user