Thread: This seems like very unfriendly behaviour

This seems like very unfriendly behaviour

From
Dave Cramer
Date:
How do I get rid of this slot ?

select pg_drop_replication_slot('mysub');
ERROR:  replication slot "mysub" is active for PID 13065
test_database=# select * from pg_subscription;
 subdbid | subname | subowner | subenabled | subconninfo | subslotname | subsynccommit | subpublications
---------+---------+----------+------------+-------------+-------------+---------------+-----------------
(0 rows)

test_database=# select * from pg_publication;
 pubname | pubowner | puballtables | pubinsert | pubupdate | pubdelete | pubtruncate
---------+----------+--------------+-----------+-----------+-----------+-------------
(0 rows)

Dave Cramer

Re: This seems like very unfriendly behaviour

From
Jaime Casanova
Date:
On Sat, 25 May 2019 at 08:35, Dave Cramer <davecramer@gmail.com> wrote:
>
> How do I get rid of this slot ?
>
> select pg_drop_replication_slot('mysub');
> ERROR:  replication slot "mysub" is active for PID 13065
> test_database=# select * from pg_subscription;
>  subdbid | subname | subowner | subenabled | subconninfo | subslotname | subsynccommit | subpublications
> ---------+---------+----------+------------+-------------+-------------+---------------+-----------------
> (0 rows)
>
> test_database=# select * from pg_publication;
>  pubname | pubowner | puballtables | pubinsert | pubupdate | pubdelete | pubtruncate
> ---------+----------+--------------+-----------+-----------+-----------+-------------
> (0 rows)
>

Can you check "select * from pg_stat_replication"?

also, what pid is being reported in pg_replication_slot for this slot?
do you see a process in pg_stat_activity for that pid? in the os?

-- 
Jaime Casanova                      www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



Re: This seems like very unfriendly behaviour

From
Dave Cramer
Date:


On Sun, 26 May 2019 at 01:40, Jaime Casanova <jaime.casanova@2ndquadrant.com> wrote:
On Sat, 25 May 2019 at 08:35, Dave Cramer <davecramer@gmail.com> wrote:
>
> How do I get rid of this slot ?
>
> select pg_drop_replication_slot('mysub');
> ERROR:  replication slot "mysub" is active for PID 13065
> test_database=# select * from pg_subscription;
>  subdbid | subname | subowner | subenabled | subconninfo | subslotname | subsynccommit | subpublications
> ---------+---------+----------+------------+-------------+-------------+---------------+-----------------
> (0 rows)
>
> test_database=# select * from pg_publication;
>  pubname | pubowner | puballtables | pubinsert | pubupdate | pubdelete | pubtruncate
> ---------+----------+--------------+-----------+-----------+-----------+-------------
> (0 rows)
>

Can you check "select * from pg_stat_replication"?

also, what pid is being reported in pg_replication_slot for this slot?
do you see a process in pg_stat_activity for that pid? in the os?

Well it turned out it was on receiver. I did get rid of it, but still not a friendly message.

Thanks
 
Dave Cramer

Re: This seems like very unfriendly behaviour

From
Andres Freund
Date:
Hi,

On May 26, 2019 9:49:49 AM EDT, Dave Cramer <davecramer@gmail.com> wrote:
>On Sun, 26 May 2019 at 01:40, Jaime Casanova
><jaime.casanova@2ndquadrant.com>
>wrote:
>
>> On Sat, 25 May 2019 at 08:35, Dave Cramer <davecramer@gmail.com>
>wrote:
>> >
>> > How do I get rid of this slot ?
>> >
>> > select pg_drop_replication_slot('mysub');
>> > ERROR:  replication slot "mysub" is active for PID 13065
>> > test_database=# select * from pg_subscription;
>> >  subdbid | subname | subowner | subenabled | subconninfo |
>subslotname |
>> subsynccommit | subpublications
>> >
>>
>---------+---------+----------+------------+-------------+-------------+---------------+-----------------
>> > (0 rows)
>> >
>> > test_database=# select * from pg_publication;
>> >  pubname | pubowner | puballtables | pubinsert | pubupdate |
>pubdelete |
>> pubtruncate
>> >
>>
>---------+----------+--------------+-----------+-----------+-----------+-------------
>> > (0 rows)
>> >
>>
>> Can you check "select * from pg_stat_replication"?
>>
>> also, what pid is being reported in pg_replication_slot for this
>slot?
>> do you see a process in pg_stat_activity for that pid? in the os?
>>
>
>Well it turned out it was on receiver. I did get rid of it, but still
>not a
>friendly message.

What behavior would you like? It's similar to how we behave with dropping databases,  roles etc.

Andres
--
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