Recently we were troubleshooting a popular SaaS application. This application was slowing down intermittently. To recover from the problem, the application had to be restarted. This application was slowing down sometimes during high traffic volume periods; sometimes during low traffic... Continue Reading →
In thread dump analysis API we have introduced a new feature called Remote Location. Using this feature now you can pass the http(s) URL location of your thread dump in the request. Say suppose, you have stored your thread dump... Continue Reading →
Based on our experience, we believe Round robin may not be an effective load balancing algorithm, because it doesn't equally distribute traffic among all nodes. You might wonder how this is possible? Yes, it is possible 🙂 How Round robin... Continue Reading →
Our architect Ram Lakshmanan presented a talk on the topic: "TROUBLESHOOTING REAL PRODUCTION PROBLEMS" in JAX London 2019 conference. Talk was very well received by the attendees. Ratings Please see the attendee’s ratings (5 = best) as well as the... Continue Reading →
Our architect Ram Lakshmanan presented a talk on the topic: "GC Tuning & Troubleshooting Crash Course" in JAX London 2019 conference. Talk was very well received by the attendees. Video https://www.youtube.com/watch?v=6G0E4O5yxks Ratings Please see the attendee’s ratings (5 = best)... Continue Reading →
TD Bank (one of the largest bank in Canada) use our products: GCeasy, FastThread and HeapHero. Last week our architect Ram Lakshmanan was invited to TD Bank office in Toronto, Canada to give training to their Performance engineers and do critical system review (CSR)... Continue Reading →
Should I be running my application with few instances (i.e. machines) with large memory size or a lot of instances with small memory size? Which strategy is optimal? This question might be confronted often. After building applications for 2 decades, after... Continue Reading →
JVM has provided helpful arguments to deal with OutOfMemoryError. In this article we would like to highlight those JVM arguments. It might come handy for you when you are troubleshooting OutOfMemoryError. Those JVM arguments are: 1. -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath 2. -XX:OnOutOfMemoryError... Continue Reading →
Troubleshooting OutOfMemoryError or any memory related problem is done in manually even in 2019. Troubleshooting and identifying the root cause of OutOfMemoryError can even be automated, by following below mentioned 3 steps: 1. Capture heap dump 2. Restart application 3.... Continue Reading →