Re: Exit walsender before confirming remote flush in logical replication

> Failed on CI just now:
>
> https://cirrus-ci.com/task/6745359004729344?logs=test_world#L410
> https://api.cirrus-ci.com/v1/artifact/task/6745359004729344/testrun/build/testrun/subscription/038_walsnd_shutdown_timeout/log/regress_log_038_walsnd_shutdown_timeout
>
> [14:58:26.146](0.066s) ok 3 - have walreceiver pid 13796
> ### Stopping node "publisher" using mode fast
> # Running: pg_ctl --pgdata /home/postgres/postgres/build/testrun/subscription/038_walsnd_shutdown_timeout/data/t_038_walsnd_shutdown_timeout_publisher_data/pgdata --mode fast stop
> waiting for server to shut down........................................................................................................................... failed
> pg_ctl: server does not shut down
> # pg_ctl stop failed: 256
> # Postmaster PID for node "publisher" is 3679
> [15:00:38.178](132.032s) Bail out! pg_ctl stop failed

+1
It still fails sporadically.
For example, It had failed here - https://cirrus-ci.com/task/5208188162670592?logs=test_world#L417

ok 3 - have walreceiver pid 69871
Bail out! pg_ctl stop failed
# test failed

and then passed here:
https://cirrus-ci.com/task/5031400161673216?logs=test_world#L340

Best regards,
Evgeny Voropaev,Tantor Labs, LLC