'Samsung Research America' engaged us to give 2 days onsite training on the topic 'JVM performance engineering & troubleshooting'. Training was given in Samsung's corporate office located in Mountain View, California (heart of silicon valley). Training was given to performance... Continue Reading →
Workday, leader in cloud ERP system for Finance, HR and planning is our customer. On Feb’ 21, 2019 Workday invited our architect Ram Lakshmanan to their headquarters located in Pleasanton, CA to give guest lecture on JVM performance engineering &... Continue Reading →
Java.lang.VirtualMachineError is thrown when Java virtual machine encounters any internal error or resource limitation which prevents it from functioning. It's a self-defensive mechanism employed by JVM to prevent entire application from crashing. In this article lets discuss different types of... Continue Reading →
This is an old, outdated article. We have devised a better and simpler strategy to troubleshoot CPU spikes in this article. Diagnosing and troubleshooting CPU problems in production that too in cloud environment can become tricky and tedious. Your application... Continue Reading →
FastThread provides powerful REST API to analyze Java thread dumps. This API can be used for application monitoring, analyzing code quality during CI/CD pipeline, proactive production monitoring & troubleshooting and several other purposes. This document walks through the steps involved in invoking... Continue Reading →
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 the thread dump due to its verbosity. Flame Graph generated by fastThread... Continue Reading →
Our Principle Architect, Ram Lakshmanan, delivered a presentation at All Day DevOps Conference, one of the world's largest DevOps conferences. He explained on how micro-metrics can be measured in dev/test environments that can forecast production performance problems with fair level... Continue Reading →
Few problems might happen only on test or production servers. It may not be reproducible in your local machine. In those circumstances you want to connect your IDE to the remote test (or production) servers and do remote debugging. Java... Continue Reading →
StackOverFlowError is one of the common confronted JVM error. In this blog post, lets learn inner mechanics of thread stacks, reasons that can trigger StackOverFlowError and potential solutions to address this error. To gain deeper understanding into StackOverFlowError, let's review... Continue Reading →