In this post let's discuss an interesting memory problem we confronted in the production environment and how we went about solving it. This application would take traffic for a few hours after that it would become unresponsive. It wasn't clear what was causing the unresponsiveness in the application. Technology stack This application was running on... Continue Reading →
Java developers tend to use 'java.util.UUID#randomUUID()' API, to generate a UUID (Universally Unique Identifier) number (i.e., 'b8bbcbed-ca07-490c-8711-5118ee0af2f9'). Under certain circumstances, using this API can affect your application’s availability. Let’s discuss this API in this post with a real-world example. How does 'java.util.UUID#randomUUID()' API works? java.util.UUID#randomUUID() API internally uses 'entropy' in the operating system to generate... Continue Reading →
When you tune Garbage collection performance, you are not only improving Garbage collection pause time but also the overall application's response time and reducing cloud computing cost. Recently we helped to tune the Garbage collection behavior of a popular application. Just by making a minor change, it resulted in a dramatic improvement. Let's discuss this... Continue Reading →
ConFoo Montreal is a multi-technology conference for developers. This year , they have conducted the program to exchange knowledge and ideas from speakers all over the world. Our Architect Ram Lakshmanan was invited to give a talk on the topic: "Let's crash the applications!" In this session, following topics have been discussed: code snippets that... Continue Reading →
ConFoo Montreal is a multi-technology conference for developers. Our Architect Ram Lakshmanan has been invited there to present on the topic "16 artifacts to capture when there is a production problem", which has secured 5th place among 155 sessions. Production problems are tricky to troubleshoot if proper diagnostic information isn’t captured. In this session, 16... Continue Reading →
Analyzing garbage collection log provides several advantages like: Reduces GC pause time, reduces cloud computing cost, predicts outages, provides effective metrics for capacity planning. To learn about the profound advantages of GC log analysis, please refer to this post. In this post let's learn how to analyze GC logs? Basically, there are 3 essential steps... Continue Reading →
Hi Friends! This is all about our yCrash Team having a fun time together. Before explaining how our trip goes, We are dedicating a short poem. ‘Work Together, We ‘Get Together’” It’s a Happiness 😍 for Ever! ‘The Unforgettable ✨ Moments’ - Together That would come Again Never 🙅! … Friends Together! Strength Together 🙌!... Continue Reading →
JAX – Online conference is the meeting place for all Java and software architecture enthusiasts! This year also, they have conducted an online conference to exchange knowledge and ideas from speakers all over the world. They have invited our architect to present the topic “Let's crash the applications!”. In this session, sample code snippets that... Continue Reading →
The World's Largest 6th Annual All Day DevOps conference held on October 28th 2021. Our architect Ram Lakshmanan was invited there to present a webinar on the topic 7 habits of highly effective Performance Troubleshooters! Below is the deck shared in the conference which explains, how to forecast the problems?, what to do when the... Continue Reading →
Spring pet clinic application is a sample application developed by the Spring Framework developers to demonstrate the capabilities of Spring Boot, Spring MVC and Spring Data Framework. We set out to conduct a performance test on this application and see whether we can identify any performance bottlenecks. Environment Setup We cloned the Spring pet clinic... Continue Reading →
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