Have you tried determining what those processes that you found with MS Process Explorer are actually doing? I would start with Tanel's sw.sql: On Thu, Sep 26, 2013 at 12:03 PM, David Ramírez Reyes <dramirezr@xxxxxxxxx>wrote: > > The db now is getting 36 hours up, with a cpu avg of 65-70% (still high > compared with another similar servers we have, but completely acceptable), > but the same processes are consuming the majority of this resources, we are > now making changes on all clients (the sqlnet.ora parameter) and being > completely sure that all machines have at least the 10g client. > > -- //www.freelists.org/webpage/oracle-l