Re: Lingering replication slots

[Lou Tseng <ltseng@xxxxxxxxxxxxxxxxxxx>]

Thank you.  Wasn't able to drop replication slot because it's still active.  Arjun suggested pg_terminate_backend() and it did the trick.

Thanks a lot!

Lou Tseng

ltseng@xxxxxxxxxxxxxxxxxxx

Advanced Medical Pricing Solutions
35 Technology Parkway South, Suite. 100
Peachtree Corners, GA 30092

---

From: Adrian Klaver <adrian.klaver@xxxxxxxxxxx>
Sent: Wednesday, April 3, 2019 11:27 AM
To: Lou Tseng; pgsql-general@xxxxxxxxxxxxxx
Subject: 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@xxxxxxxxxxx