On Tue, Feb 27, 2018 at 05:52:20PM -0500, Tom Lane wrote:
> It already does treat SIGUSR1 as a log rotation request. Apparently
> the point of this patch is that some people don't find that easy enough
> to use, which is fair, because finding out the collector's PID from
> outside isn't very easy.
True enough. The syslogger does not show up in pg_stat_activity either,
so I think that being able to do so would help for this case.
--
Michael