Stuart Brooks wrote: > ERROR: canceling autovacuum task > CONTEXT: automatic vacuum of table "metadb.test.transactions" Are these happening regularly? They indicate that something is happening on the table that collides with what autovacuum needs to do, and autovacuum defers its task. For this to happen you need to be doing ALTER TABLE or similar however; normal UPDATE/INSERT/DELETE should not cause autovacuum to cancel itself. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match