how to disable modification monitoring?
Our RAC database is big (hundreds of terabytes) . We use it to build monthly factmarts. Every month we load massive volumes of data, gather stats on the loaded data, and do our processing. We don't run the automatic gather stats job and we don't need oracle to tell us when the statistics are stale.
Our processing window is shrinking and we're trying to wring every bit of performance out our database that we can. I ran dbms_sqltune.capture_cursor_cache_sqlset to collect all of the sql statements run on our RAC in a 30 minute period. This was the worst statement by far: