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JVM Internals in 1 slide

JAX - Online conference is the meeting place for all the Java and software architecture enthusiasts! This year also, they have conducted the online conference to exchange the knowledge and ideas from the speakers all over the world. They have... Continue Reading →

Video Blog: 7 JVM Arguments of Highly effective applications

You can pass 600+ arguments to JVM just around Garbage collection and memory. It’s way too many arguments for anyone to digest and comprehend. In all these 4 videos, 7 important JVM arguments that will boost your Java/Scala/Jython application performances... Continue Reading →

How Java program executed? – Heap, Threads, Stack, GC

What happens behind the scene when a java program is executed? In which regions objects are created? When objects become eligible for garbage collection? Where are threads stored? What is the difference between Stack and Heap? Watch this video to... Continue Reading →

Java threads – may not be memory effecient?

Java applications tend to contain hundreds (sometimes thousands) of threads. The majority of these threads are in WAITING, TIMED_WAITING (i.e., dormant) state, while only a small portion of the threads are actively executing lines of code. So, we were curious... Continue Reading →

What is Garbage collection log, Thread dump, Heap dump?

Java Virtual Machine (JVM) generates 3 critical artifacts that are useful for optimizing the performance and troubleshooting production problems. Those artifacts are: Garbage collection (GC) logThread DumpHeap Dump In this article let us try to understand these 3 critical artifacts,... Continue Reading →

Health Check Status page

Debug/Diagnostic information about the application and JVM instance is published in the health check status page. In the health check status page, the following information is printed in the JSON format: MemoryOperating systemClass loadingCompilationThreadingCPU UtilizationDeployment versionStorageSamlSystem properties How to access... Continue Reading →

Load balancing: Round robin may not be the right choice

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 →

VIRTUAL MACHINE ERROR

Java.lang.VirtualMachineError is thrown when Java virtual machine encounters any internal error or resource limitation which prevents it from functioning. It's a self-defensive mechanism employed by JVM to prevent entire application from crashing. In this article lets discuss different types of... Continue Reading →

TROUBLESHOOT OUTOFMEMORYERROR: UNABLE TO CREATE NEW NATIVE THREAD

There are 8 flavors of java.lang.OutOfMemoryError. In these 8 flavors java.lang.OutOfMemoryError: unable to create new native thread is one of the commonly occurring flavor. This type of 'OutOfMemoryError' is generated when an application isn’t able to create new threads. This error can surface... Continue Reading →

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