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Universal Java Thread Dump Analyzer

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Educational – Best Practises

MICROMETRICS TO FORECAST APPLICATION PERFORMANCE

Even unpredictable weather is being forecasted. But after all these technological advancements, are we able to forecast our application performance & availability? Are we able forecast even for the next 20 minutes? Will you be able to say that in... Continue Reading →

VIRTUAL MACHINE ERROR

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 →

HOW TO TROUBLESHOOT CPU PROBLEMS?

Diagnosing and troubleshooting CPU problems in production that too in cloud environment can become tricky and tedious. Your application might have millions of lines of code, trying to identify the exact line of code that is causing the CPU to... Continue Reading →

HOW TO INVOKE THREAD DUMP ANALYSIS API THROUGH POSTMAN

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 →

REMOTE DEBUGGING JAVA APPLICATIONS

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 →

Threads stuck in java.net.SocketInputStream.socketRead0

What does java.net.SocketInputStream.socketRead0() API do? Why is it showing up frequently in several thread dumps? Why is it reported in thread dump analysis tools like¬†fastThread.io? Is it something that I need to be concerned about? What are the potential solutions... Continue Reading →

MICROMETRICS FOR CI/CD PIPELINE

Continuous Integration/Continuous Deployment (CI/CD) has become central to software development. To ensure high-quality software releases smoke tests, regression tests, performance tests, static code analysis & security scans are run in CI/CD pipeline. Despite of all these quality measures, still OutOfMemoryError,... Continue Reading →

KEY ELEMENTS IN API RESPONSE

FastThread's REST APIs are used for application monitoring, analyzing code quality during CI/CD pipeline and several other purposes. API response contains rich set of information (i.e. lot of elements). In this article, we intend to highlight to few key elements... Continue Reading →

WebLogic thread – STUCK, ACTIVE, STANDBY

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 →

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