Use the -f option on ps, the NLWP column indicates the number of threads. See the man pages for more details. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4224926#4224926 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4224926