Before answering the question 'How to identify critical code path?’ let me answer 'Why identify critical code path?’ Why identify critical code path? There are a couple of answers to it: Performance Optimization Accurate Smoke Test Performance Optimization In most... Continue Reading →
If you want to learn about the architecture of the application, performance characteristics of the application, effectiveness of the engineering organization - lot of times (if not all the times), we will look at the Word documents, PowerPoint decks, Excel... Continue Reading →
Have you ever experienced sudden CPU spikes for your applications in production? If your answer is Yes, then this tutorial might be helpful to you. Know the reasons for sudden CPU spikes and how to troubleshoot them instantly using http://fastthread.io/
What will happen behind the scene when you write a finalizer method? How the finalizer thread leads to OutOfMemoryError? How to find the root cause of finalizer thread stuck and how to troubleshoot it using http://fastthread.io/ Watch this video to know... Continue Reading →
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 →
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 →
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 →
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 →
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 →
