On 9 October 2015 at 06:54, Selim Tuvi <stuvi@xxxxxxx> wrote: > Hi I am testing BDR functionality with Postgres 9.4. I had went through the > bdrdemo example with a 3 node cluster and then tried to set up my own db. > > My "max_replication_slots" is set to 6. After getting removing the bdrdemo > db I am having trouble starting up the postgres instance unless I increase > the value of "max_replication_slots". I get the following error in the log: > > "starting up replication identifier with ckpt at 0/28E8250",,,,,,,,,"" > "recovered replication state of node 1 to 0/54DDCD0",,,,,,,,,"" > "recovered replication state of node 2 to 0/1ECBEA0",,,,,,,,,"" > "recovered replication state of node 3 to 0/59FB1C0",,,,,,,,,"" > "recovered replication state of node 4 to 0/2AA5320",,,,,,,,,"" > "recovered replication state of node 5 to 0/27F2F98",,,,,,,,,"" > "recovered replication state of node 6 to 0/59F35A8",,,,,,,,,"" > "no free replication state could be found, increase > max_replication_slots",,,,,,,,,"" > > pg_replication_slots is only reporting two slots: > > postgres=# SELECT * FROM pg_catalog.pg_replication_slots; > slot_name | plugin | slot_type | datoid | > database | active | xmin | catalog_xmin | restart_lsn > -----------------------------------------+--------+-----------+--------+----------+--------+------+--------------+------------- > bdr_19685_6199712740068695651_1_18817__ | bdr | logical | 19685 | > deliver | t | | 2280 | 0/28EA5E0 > bdr_19685_6197393155020108291_1_48609__ | bdr | logical | 19685 | > deliver | t | | 2280 | 0/28EA5E0 > > How can I get rid of the stale node recovery on startup? Can you show the output of select * from pg_replication_identifiers; please? On all nodes. Also pg_catalog.pg_replication_slots on the other nodes. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general