Forgot a piece - Yes I knew about the FULL requirements on table/index scans and the query is using a simple full tablescan. Chris From: Taylor Christopher - Nashville Sent: Monday, April 22, 2013 3:48 PM To: 'Tanel Poder'; Alex Fatkulin Cc: ORACLE-L Subject: RE: Question - any parameter or hint to FORCE Physical Read (bypass buffer cache) The amount of IOs per execution I haven't checked. I should/will check that. The plans for the query I'm interested in are really simple and are the same on all 3 nodes. Chris -- //www.freelists.org/webpage/oracle-l