Thread Dump is a snapshot of the status of all the threads at a particular time. Thread dumps are vital artefacts to diagnose CPU spikes, deadlocks, poor response times, memory problems, unresponsive applications, and other system problems. Thread Dump helps to find out what every thread in the JVM is doing at a particular point in time. A common phenomenon is once a high CPU usage is observed then thread dump analysis is required.
In some previous posts, I have shared articles which described Athlete Pattern, Atherosclerosis Pattern, Treadmill Pattern and Traffic Jam Pattern. Today, you will see the situation where all the threads are in Runnable state and waiting for the same method which leads out of memory situation. This type of thread pattern is named as All Roads Lead To Rome. A simple and descriptive article published in the fastThread blog on this thread pattern.
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