On Fri, Oct 21, 2016 at 4:53 PM, Jason Dusek <jason(dot)dusek(at)gmail(dot)com> wrote:
> This is really only a temporary fix, though. We can have a cron job running
> in the background running TRUNCATE ONLY ... but this seems like the kind of
> thing that auto-vacuuming should have handled for us, before the problem got
> “too large”. Are there auto-vacuum settings that we can set, globally or on
> the table, to address this situation?
Did auto-vacuum actually succeed in vacuuming this table? Check your
logs. You may need to make auto vacuum more log-verbose first.