We would like to extend our thanks to Entwinkler.de JavaMagazin for translating and publishing our article ‘Simulating and troubleshooting deadlocks in Kotlin’ in the German language. It is an honor to have our work published in a print magazine, that too in German language. Here is the translated German version of the article: ‘Simulation und... Continue Reading →
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In this series of simulating and troubleshooting performance problems in Scala, let’s discuss how to simulate the ‘java.lang.OutOfMemoryError: Java Heap space’ problem. ‘java.lang.OutOfMemoryError: Java Heap space’ will be thrown by the Scala application, when it generates more objects than the maximum configured heap size. Video: To see the visual walk-through of this post, click below: https://youtu.be/aoLHQsyCCyE... Continue Reading →
In this series of simulating and troubleshooting performance problems in Kotlin, let’s discuss how to simulate the ‘java.lang.OutOfMemoryError: Java Heap space’ problem. ‘java.lang.OutOfMemoryError: Java Heap space’ will be thrown by the application, when it generates more objects than the maximum configured heap size. Video: To see the visual walk-through of this post, click below: https://youtu.be/y9Iydjrnix8... Continue Reading →
JVM memory has following regions: Fig: JVM memory regions a. Young Generation b. Old Generation c. Metaspace d. Others region When you encounter 'java.lang.OutOfMemoryError: Metaspace' it indicates that the Metaspace region in the JVM memory is getting saturated. Metaspace is the region where metadata details that are required to execute your application are stored. In... Continue Reading →
Recently we confronted an interesting 'java.lang.OutOfMemoryError: Metaspace' problem in a Microservice application. This Microservice application will run smoothly for initial few hours, later it will start to throw java.lang.OutOfMemoryError: Metaspace. In this post let me share the steps we pursued to troubleshoot this problem. Different types of OutOfMemoryError JVM memory has following regions: a. Young... Continue Reading →
When we launch applications, we specify the initial memory size and maximum memory size. For the applications that run on JVM (Java Virtual Machine), initial and maximum memory size is specified through ‘-Xms’ and ‘-Xmx’ arguments. If Java applications are running on containers, it's specified through ‘-XX: InitialRAMPercentage’ and ‘-XX: MaxRAMPercentage’ arguments. Most enterprises set... 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!" Below is the deck shared in the talk: In this session,... 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 →
