Thread dumps are vital artifacts to diagnose CPU spikes, deadlocks, poor response times, memory problems, unresponsive applications, and other system problems. There are great online thread dump analysis tools such as http://fastthread.io/, which can analyse and spot problems. But to... Continue Reading →
A potential customer asked us this question: "How GCEasy & FastThread are compared to JVisualVM?". As it was a great question, here was our answer: 1. Intelligence FastThread and GCEasy apply several intelligence patterns to detect the problems in the Garbage... Continue Reading →
Our Architect Ram Lakshmanan spoke in 3 well-received sessions in 2016 JavaOne conference: Session 1: CON3108 Session Title: Am I Reading Garbage Collection Logs Correctly? Session 2: CON3118 Session Title: Don't Dump the Thread Dumps! Session 3: TUT3390 Session Title: Pick Diamonds... Continue Reading →
Ram Lakshmanan, our founder, recently had the opportunity to deliver 3 talks at the JavaOne conference. Here is one presentation about the thread dumps.
BLOCKED, WAITING, and TIMED_WAITING are important thread states, but often confusing to many of us. One must have a proper understanding of both in order to analyze thread dumps. Using real-life examples, this article breaks down each state into simpler... Continue Reading →
There are 8 flavors of java.lang.OutOfMemoryError. In these 8 flavors java.lang.OutOfMemoryError: unable to create new native thread is one of the commonly occurring flavor. This type of OutOfMemoryError is generated when an application isn’t able to create new threads. This error can... Continue Reading →
Description Threads in 'runnable' state consume CPU. So when you are analyzing thread dumps for high CPU consumption, threads in 'runnable' state should be thoroughly reviewed.Typically in thread dumps several threads are classified in 'RUNNABLE' state. But in reality several of them wouldn't be actually running,... Continue Reading →