Work Together, We get ‘together’

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 →

Let’s crash the applications! – W-JAX 2021

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 →

Spring Boot pet clinic app – performance study

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 →

Interesting Garbage Collection Patterns

As the author of GCeasy - Garbage collection log analysis tool, I get to see few interesting Garbage Collection Patterns again & again. Based on the Garbage collection pattern, you can detect the health and performance characteristics of the application instantly. In this post, let me share few interesting Garbage collection patterns that have intrigued... Continue Reading →

AWS Cloud watch + yCrash = Monitoring + RCA

We had an outage in our online application GCeasy on Monday morning (PST) Oct' 11, 2021. When customers uploaded their Garbage Collection logs for analysis, the application was returning HTTP 504 error. HTTP 504 status code indicates that transactions are timing out. In this post, we would like to document our journey to identify the... Continue Reading →

Performance impact of java.lang.System.getProperty()

'java.lang.System.getProperty()' is a common API used by Java developers to read the System properties that are configured during application startup time. i.e. when you pass "-DappName=buggyApp" as your application's startup JVM argument, the value of the 'appName' system property can be read by invoking the 'java.lang.System.getProperty()'. Example: public static String getAppName() { String app =... Continue Reading →

Overhead added by Garbage Collection Logging

Enabling Garbage collection logs on your application has certain advantages. In nutshell, Garbage collection logs will facilitate you to optimize Garbage Collection pause time, improve overall application’s response time, forecast production outages, reduce computing cost. Even though Garbage collection logs have these advantages, we weren’t sure what overhead does garbage collection logging add to the... Continue Reading →

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