Re: Lingering replication slots

On 4/3/19 9:01 AM, Lou Tseng wrote:
> Hi,
> 
> A newbie question: how do I delete lingering replication slots?  When 
> creating Subscription for logical replication, the CREATE SUBSCRIPTION 
> stuck and didn't return. After ctrl-c and aborted the command, the 
> master database have lingering replication slots that I can't delete 
> because the active is true. Do I just kill the pid?
> 
> Thanks!
> 
> 
> SELECT * FROM pg_replication_slots ;
> 
> slot_name |plugin| slot_type |datoid|database| temporary | active | 
> active_pid | xmin | catalog_xmin | restart_lsn| confirmed_flush_lsn
> 
>
--------------+----------+-----------+----------+----------------+-----------+--------+------------+------+--------------+--------------+---------------------
> 
> support_sub2 | pgoutput | logical | 28384483 | dragon_support | f | 
> t|29566 || 96562907 | 5108/29C1610 |
> 
> support_sub| pgoutput | logical | 28384483 | dragon_support | f | 
> t|27253 || 96562907 | 5108/2858880 |
> 


See below(read full description at link):

https://www.postgresql.org/docs/11/functions-admin.html#FUNCTIONS-REPLICATION

pg_drop_replication_slot(slot_name name)


-- 
Adrian Klaver
adrian.klaver@aklaver.com