Re: wait event and archive_command

On Thu, Oct 21, 2021 at 10:57:50PM +0900, Fujii Masao wrote:
> Also how about adding wait events for other commands like
> archive_cleanup_command, restore_command and recovery_end_command?

+1 to add something for all of them as we track the startup process in
pg_stat_activity.  Thinking with a larger picture, this comes down to
the usage of system().  We could introduce a small wrapper of system()
that takes as argument a wait event for the backend.
--
Michael