Archives: GC Stats

Know your Default Initial and Max heap size of JVM

June 7, 2012 | By kiranbadi1991 | Comments Off on Know your Default Initial and Max heap size of JVM | Filed in: Development, Environment, Memory, Others, Performance Engineering.

At times it becomes necessary that we know the default heap size allocated to the JVM in order to debug some issues, for those cases, I suggest run the below command on the command line of the server box to get this information, java -XX:+PrintCommandLineFlags -version   On my machine, where I have tomcat server • Read More »

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Java Performance Series – 2

April 7, 2012 | By kiranbadi1991 | Comments Off on Java Performance Series – 2 | Filed in: Development, HP Diagnostics, Performance Engineering.

Coming back to Java performance series, let me write something about various x/xx (thank god they didn’t come up with xxx stuff) options that comes bundled with java virtual machine. To begin with some valuable information copy pasted from oracle site, Below is the some key things which we need to keep in mind always • Read More »

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