Jvmstat. Oracle Technology Network > Java Software Downloads View All Downloads Top Downloads New Downloads.
Effective Java Profiling With Open Source Tools. Time and again, the need to take a plunge under the hood of your running application arises.
The reasons driving this can range from a slow service, JVM crashes, hangs, deadlocks, frequent JVM pauses, sudden or persistent high CPU usage or even the dreaded OutOfMemoryError (OOME). The good news is that there exist many tools you can use to extract various bits of preliminary information from your running JVM, allowing you to get that “under the hood” view you need to diagnose such situations. In this article I will be going through some of the open source tools that are available. VisualVM.