Hi, On 2014-03-12 12:00:25 -0700, Josh Berkus wrote: > I was just reading Michael's explanation of replication slots > (http://michael.otacoo.com/postgresql-2/postgres-9-4-feature-highlight-replication-slots/) > and realized there was something which had completely escaped me in the > pre-commit discussion: > > select pg_drop_replication_slot('slot_1'); > ERROR: 55006: replication slot "slot_1" is already active > LOCATION: ReplicationSlotAcquire, slot.c:339 > > What defines an "active" slot?
One with a connected walsender. > It seems like there's no way for a DBA to drop slots from the master if > it's rapidly running out of disk WAL space without doing a restart, and > there's no way to drop the slot for a replica which the DBA knows is > permanently offline but was connected earlier. Am I missing something? It's sufficient to terminate the walsender and then drop the slot. That seems ok for now? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers