Byteman is a byte code manipulation tool for fault injection, testing and tracing. The Byteman agent allows to inject the rules into the existing java application with out changing the source code. You can inject the rules during the JVM…
Yearly Archives: 2016
Memory Analysis – How to obtain Java Heap Dump?
In this article, we will see how to obtain the Java Heap Dump to troubleshoot the memory issues like memory leak and high usage of memory. There are different options available to obtain the Heap Dump. The options will vary…
Enabling and Analysing the Garbage Collection log
In the last article, we discussed the Garbage Collection process. In this article, we will learn how to enable the garbage collection log and see what insights we will get from the GC log to tune the JVM. As a…
Tagged with: Full GC, Garbage Collection, gc log, gc log analysis, Print GC, Young GC
Posted in Java, Performance
Posted in Java, Performance
Understanding The Java Memory Model and The Garbage Collection
In this article, we will try to understand the Java memory model and how the garbage collection works. In this article, I have used JDK8 Oracle Hot Spot 64 bit JVM. First, let me depict the different memory areas available…
Tagged with: Garbage Collection, Java Memory Management, Major GC, Minor GC
Posted in Java, Performance
Posted in Java, Performance
Java 8 StringJoiner – Old Wine With a New Bottle
Ultimately Java 8 is shipped with StringJoiner class under java.util package. I don’t think it is a very different implementation to join the strings compared to our old school approach by using StringBuffer/StringBuilder. We will see the usage of the…
Jdeps – Java class dependency analyzer
In Java 8 we got a new command line tool called jdeps to know the Java dependencies. It is a nice tool to do static analysis and find out the .class/jar dependencies. For example, I have a class and wanted to…
Java 8 – New way to deal with Date and Time
In this article, we will discuss Java 8 Date/Time API. The new Date/Time API was one of the long pending requests from the Java developer community. As the existing Date, related API is not developer friendly. With the older versions of…
Java 8 – Default Methods in Interfaces
In this article, we will explore the Java 8 default method’s feature in interfaces. The Java 8 says “Default methods enable new functionality to be added to the interfaces in libraries and ensure binary compatibility with code written for older…
Internet Of Things (IOT) – Is it a “BIG Fish” to catch?
In this article, we will see what is IoT? and It’s growth in the coming years. IoT (Internet Of Things) is a network of physical objects like devices, vehicles, etc. connected to the cyber world. These connected devices collect and…
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