Andres Freund <and...@2ndquadrant.com> writes:
> Hm. Is a check like that actually sufficient? The idea of setting
> stats_temp_directory to /dev/shm/postgres or similar in all of several
> clusters on one machine doesn't seem to be that far fetched.
Hm. We could fairly easily have the lockfile management code also
write a postmaster.pid file into the stats_temp_directory, thus claiming
it in the same way as we do the $PGDATA dir itself. Not sure it's worth
the trouble though, since we've not heard any field reports of this sort
of thing.
I note BTW that similar complaints could be lodged against the
log_directory setting. We've not worried about that one too much.
Maybe we're overreacting to this issue for stats_temp_directory,
and tightening up the deletion code is a sufficient fix.
regards, tom lane
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