Merlin Moncure wrote: >> I'm running postgresl 9.0. After partitioning a big table, CPU >> usage raised from average 5-10% to average 70-80%. > First thing that jumps to mind is you have some seq-scan heavy > plans that were not seq-scan before. Make sure that all indexes are defined for each partition. It is not enough to define them on just the parent level. -Kevin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance