Build Ultra Available, Highly Scalable, Performant Apps
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? Continue reading “MICROMETRICS TO FORECAST APPLICATION PERFORMANCE”
Popular Concurrent Mark Sweep (CMS) GC algorithm is deprecated in JDK 9. According to JEP-291, this decision has been made to reduce the maintenance burden of GC code base and accelerate new development.
Continue reading “CMS DEPRECATED. NEXT STEPS?”
Eclipse Memory Analyzer (MAT) is a powerful tool for heap dump analysis. It has several great features to debug memory problems effectively. Continue reading “ECLIPSE MAT – INCOMING REFERENCES, OUTGOING REFERENCES”
Developers take advantage of the JVM argument -XX:+UseGCLogFileRotation to rotate GC log files.
Continue reading “Try to avoid -XX:+UseGCLogFileRotation”
Eclipse MAT (Memory Analyzer Tool) is a powerful tool to analyze heap dumps. It comes quite handy when you are trying to debug memory related problems. Continue reading “SHALLOW HEAP, RETAINED HEAP”
Continue reading “HOW TO TROUBLESHOOT CPU PROBLEMS?”This is an old, outdated article. We have devised a better and simpler strategy to troubleshoot CPU spikes in this article.
Recently a smart engineering manager from a major financial institution asked the question: ‘We are already using APM tool (AppDynamics), why do we need to use GC log Continue reading “GC LOG ANALYSIS COMPLIMENTS APM”
In early 1970s 1 MB was costing 1 million $. Now 1 mb is costing fraction of that cost. There is no comparison. This is one of the reasons why engineers and enterprises don’t worry about memory any more. Continue reading “HOW MUCH MEMORY IS MY APPLICATION WASTING?”
Eclipse and IntelliJ are the two competing IDEs in the industry. There are lot of passionate discussion going in the social media, forums to declare the winner in this Continue reading “MEMORY EFFICIENT: ECLIPSE OR INTELLIJ?”
Few problems might happen only on test or production servers. It may not be reproducible in your local machine. Continue reading “Remote Debugging Java Applications”
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. Continue reading “STACKOVERFLOWERROR: CAUSES & SOLUTIONS”
In this article, we will walk you through the steps involved in integrating micrometrics to your CI/CD pipeline. Micrometrics are powerful lead indicators to forecast production performance problems. Continue reading “HOW TO INTEGRATE MICROMETRICS TO 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. Continue reading “MICROMETRICS FOR CI/CD PIPELINE”
Industry has seen several great tools in APM (Application Performance Monitoring) space like AppDynamics, New Relic, CA Introscope, Dynatrace… Continue reading “APM IS DIFFERENT, RCA IS DIFFERENT”
Heap Dumps are vital artifacts to diagnose memory-related problems such as slow memory leaks, Garbage Collection problems, and Continue reading “HOW TO CAPTURE JAVA HEAP DUMPS? – 7 OPTIONS”
I am a long time Java programmer, now almost 20 years. Since I love this language a lot, I would like to share an observation. Continue reading “STATIC VARIABLE & JAVA COMPILER”
By default uploaded files are stored in the local disk of the machine where the tool is running. However, tool gives you the option to store uploaded files into S3 storage as well. Few customers might not want to store the uploaded files in the local disk, due to space limitation and availability concerns.
Continue reading “Enterprise Edition – Admin manual”
Service virtualization is a great way to test software. We have been using this methodology for more than a decade now, when the term Continue reading “Service virtualization: CA Lisa ITKO, WireMock”
Recently spoke at VMoksha Technologies in Bangalore, India on software Testing! Talk had a good reception from a motivated team. Continue reading “Spoke @ VMoksha Technologies”
We make major investments in tools, people and process to effectively test applications. But how we measure the effectiveness of these investments? Continue reading “Which code coverage tool to choose?”
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