Maybe sleep call is in a loop - busy waiting, and sleeping too short. Sleep longer, observe latency after the change. In Java 9 there will be extra option http://download.java.net/java/jdk9/docs/api/java/lang/Thread.html#onSpinWait--
On Wed, May 10, 2017 at 9:44 AM, Oliver Fernandez < oliver.fernan...@marfeel.com> wrote: > While profiling my Tomcat app using YourKit, I noticed two Threads, > consuming 57% of total CPU, in the method Thread.sleep() > > [image: Inline images 1] > > What's this Thread.sleep() about? > > >
