Interesting to see those posted here Chris, as I read them just last week. Most enlightening, both for the information and the testing techniques. Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist Sr Oracle DBA at Pythian Pythian Blog http://www.pythian.com/blog/author/still/ Oracle Blog: http://jkstill.blogspot.com Home Page: http://jaredstill.com On Sun, Jan 26, 2014 at 12:47 AM, Christian Antognini < Christian.Antognini@xxxxxxxxxxxx> wrote: > Hi > > > Unless it's changed recently, a session will try each ITL slot in turn > for a few > > seconds and then stop on one of them once it's gone through the entire > list. > > Few years ago I wrote a couple of blog posts on that topic: > > http://www.antognini.ch/2011/04/itl-waits-changes-in-recent-releases/ > > http://www.antognini.ch/2011/06/itl-waits-changes-in-recent-releases-script/ > > HTH > Chris Antognini > > Troubleshooting Oracle Performance, Apress 2008-2014 > http://top.antognini.ch > > > > -- > //www.freelists.org/webpage/oracle-l > > >