Oracle Fusion Middleware, Oracle Enterprise Manager, and several other technologies internally uses WebLogic application server. In a WebLogic server, all incoming requests are handled by execute threads in the thread pool. Based on the activity of these threads, WebLogic server... Continue Reading →
Call Stack Tree provides 3 wonderful benefits: 1. One simplified view 2. Performance Optimization 3. Accurate Smoke Test Let's discuss them in detail in this article. 1. One simplified view Thread dumps are the snapshot of all threads running in... Continue Reading →
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 →
