On Thu, May 28, 2009 at 5:22 PM, Anj Adu <fotographs@xxxxxxxxx> wrote: > I noticed a very strange performance issue after I pre-create daily > partitions for the next month on a table that has a very large insert volume > (30 million a day). After the partitions are created..the inserts seem to > slow down. I verifiied that this was the issue by dropping the > partitions...When I dropped the pre-created partitions..the performance > issue disappeared. Looks like you cannot have too many partitions (in this > case..I had a total of 35 partitions when the performance issue was noticed) How are you enforcing partiitoning on your inserts? Via app knowledge, triggers, or rules? I'd expect rules might have a penalty with more partitions, but not expect it from app or trigger based partitioning. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin