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Universal Java Thread Dump Analyzer

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Educational – Best Practises

HOW TO ANALYZE THREAD DUMPS?

In this modern world, thread dumps are still analyzed in a tedious & manual mode. There is no programmatic way to analyze thread dumps in a proactive manner. Thus to eliminate this hassle, fastthread.io has been introduced to troubleshoot complex production problems. fastThread is a... Continue Reading →

10 MICRO METRICS FOR YOUR PERFORMANCE REPORTS

In a lot of enterprises, performance tests are conducted regularly. As part of these tests, QA team gathers various metrics and publishes them in a performance report. Metrics reported in the performance report typically tend to be: CPU utilization Memory... Continue Reading →

LESS KNOWN FACTS ABOUT DAEMON AND NON-DAEMON THREADS

Non-daemon threads are also known as 'user' threads. JVM will not exit even if only 1 non-daemon (i.e. user) thread is alive. On the other hand, JVM will exit even if multiple daemon threads are alive. When JVM halts, daemon... Continue Reading →

JAVA THREAD STATES EXPLAINED – VIDEO TUTORIAL

BLOCKED, WAITING, and TIMED_WAITING are important thread states, but often confusing to many of us. One must have a proper understanding of these thread states in order to analyze thread dumps. Using real-life examples, this video breaks down each state into... Continue Reading →

THREAD DUMP ANALYSIS API

In this modern world, thread dumps are still analyzed in a tedious & manual mode i.e., you have to get hold of DevOps team, ask them to send you the thread dumps, then they will mail you the thread dumps, then you will... Continue Reading →

HOW GCEASY AND FAST THREAD ARE COMPARED TO JVISUALVM?

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 →

TROUBLESHOOT OUTOFMEMORYERROR: UNABLE TO CREATE NEW NATIVE THREAD

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 →

HOW TO TAKE THREAD DUMPS? – 8 OPTIONS

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 →

Featured post

SERIES 1: PERFORMANCE ENGINEERING INTERVIEW QUESTIONS

In this series, we will see the interview questions that can be asked related to external connectivity. How will you find the number of connections established with your Databases or SOR or any external services)? There is a Unix/Windows command... Continue Reading →

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