Search

Fast thread

Universal Java Thread Dump Analyzer

Author

tier1appteam

Flame Graph from Java thread dump

Thread dumps are vital artifacts to debug & troubleshoot production performance problems. Thread dump files tend to span for several hundreds of lines (sometimes a few thousands of lines). It is hard to conceive and assimilate all the information in... Continue Reading →

Look for exceptions, errors in thread dumps

Thread dumps are vital artifacts to troubleshoot/debug production problems. In the past we have discussed several effective thread dump troubleshooting patterns like: traffic jam, treadmill, RSI, all roads lead to rome ………. In this article we would like to introduce... Continue Reading →

Threads throwing exception

Threads that are throwing Exception or Errors should be investigated. Because those threads stack trace indicates the origin of the problem. Below is the stack trace of the thread that is throwing java.lang.OutOfMemoryError: Thread 0x3ff781e764e0 at java.lang.OutOfMemoryError.<init>()V (OutOfMemoryError.java:48) at java.lang.ClassLoader.defineClass1(Ljava/lang/String;[BIILjava/security/ProtectionDomain;Ljava/lang/String;)Ljava/lang/Class;... Continue Reading →

Troubleshooting CPU spike in a Major Trading Application

In this article we are going to discuss how we troubleshooted a CPU spike problem that surfaced in a major trading application in North America. All of a sudden, this application’s CPU started to spike up to 100%. In fact,... Continue Reading →

Surviving Covid19 – Effective way to cut-down IT spending!

Covid19 pandemic has already put a deep economic dent globally. US stock market has experienced the worst crash since 1987. Sooner or later, Enterprises have to figure out a plan to run their organizations on tight budgets. In this below 10... Continue Reading →

7 JVM arguments of Highly Effective Applications

At the time (March 2020) of writing this article there are 600+ arguments that you can pass to JVM just around Garbage collection and memory. If you include other aspects, total JVM arguments count will easily cross 1000+. 😊. It's... Continue Reading →

Shooting the troubles – Confoo Canada Conference talk (video)

ConFoo.CA Developer Conference is one of the biggest conferences for web developers, that took place in Canada. This Conference had 155 presentations by popular international speakers focused on pragmatic solutions for developers, enthusiastic attendees and delightful atmosphere! This year 2020,... Continue Reading →

Benefits of FastThread PRO++ Subscription

This document provides key highlights of the ‘PRO++’ edition over the free 'PUBLIC' edition. 1. Machine Learning Fig: ML problem detection & recommendation in PRO/PRO++ edition FastThread tool's machine learning algorithms can detect problems in your thread dumps and recommend... Continue Reading →

Java – Missing font – Crashing App!

Eclipse MAT,  Heaphero are all popular java tools to analyze large size heap dumps. Recently we ran in to an interesting problem when trying to analyze a heap dump file in Eclipse MAT. Tool was crashing because of missing font... Continue Reading →

Powered by WordPress.com.

Up ↑