I don't think autovacuum can predict you will not update your table(s) anymore, so there's no way to know to run FREEZE on it.
On Thu, Dec 4, 2014 at 12:02 PM, Mike Blackwell <mike.blackw...@rrd.com> wrote: > check_postgres.pl (--action=autovac_freeze) recently complained that we > needed to run VACUUM FREEZE. Doing so generated a boatload of WAL files - > perhaps on the order of the of the database itself. > > Is VACUUM FREEZE something that is normally handled by autovac? If so, > how would we approach finding what caused it not to happen automatically? > Or if it's not, what's the normal approach to scheduling it manually to > prevent this flood of WAL? > > >