On 02/03/17 10:54, Suvendu Sekhar Mondal wrote: > Hello Everyone, > > I am new here. :) > > Environment: > Java Version: Java HotSpot(TM) 64-Bit Server VM version 25.91-b15 > (Java version 1.8.0_91-b15) > Tomcat Version: Tomcat 8.0.20 > OS Version: Microsoft Windows 8.1 Enterprise > > I am trying to enable Native Memory Tracking(NMT) to get internal > memory usage deatils about Tomcat process which is running on my > system. I have added following flags to Tomcat's Java options: > -XX:+UnlockDiagnosticVMOptions > -XX:NativeMemoryTracking=summary > -XX:NativeMemoryTracking=detail > > After that I restarted Tomcat. When I tried to use "VM.native_memory" > command either from JCMD or JMC, I am getting "Native memory tracking > is not enabled" message. When I shutdown Tomcat, following message is > getting printed on STDERR log: > "Java HotSpot(TM) 64-Bit Server VM warning: Native Memory Tracking did > not setup properly, using wrong launcher?". > > I found this article which discussed about NMT problem in custom JVM launcher: > https://blogs.oracle.com/poonam/entry/using_nmt_with_custom_jvm > > My question is, does that stands true for Tomcat also? Is there any > other way to enable NMT in Tomcat?
No idea. How did you start Tomcat? Mark --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
