On Fri, Mar 14, 2008 at 11:25 AM, Jeremy Schneider < jeremy.schneider@xxxxxxxxxxxxxx> wrote: > > Just some shots in the dark, but I wonder if you could statically force > all lock masters to the preferred node and decrease SCN traffic by tweaking > something like the MAX_COMMIT_PROPOGATION_DELAY init param? That might get > you some of those percents back... > > And of course the first thing to do before any of that nonsense is looking at things like wait events and timed statistics to see what's different - Oracle is rather well instrumented after all. I really shouldn't be taking blind guesses like this; it's a bit irresponsible... -- Jeremy Schneider Chicago, IL http://www.ardentperf.com/category/technical