On Mon, Jul 14, 2008 at 3:08 PM, Mason Hale <masonhale@gmail.com> wrote:
> Vacuum operations on several tables are taking much longer than they
> previously were.
> We currently have 3 autovacuum processes that have been running more than 3
> days each.
> The tables are large (between 40 and 90GB each).
> Postgresql version is 8.3.1
> maintenance_work_mem is 512MB (on a 32GB server).
> Any ideas what would make vacuum take so long?
> What can I do to speed things up?
Have you adjusted your vacuum / autovacuum cost parameters up? that
will certainly slow down vacuums.