MMNL processes running High
MMNL processes are running high on a production linux server. There are 6 databases on this server and 5 of which has queues enables. These MMNL processes are hammering the server and users are struggling to work.
There are no locks and plenty of temp space. How do I investigate why the MMNL processes are running high?
Oracle Database Standard Edition 12.1.0.2.0