Archives: Memory

Linux vmstat command

April 4, 2019 | By kiranbadi1991 | Comments Off on Linux vmstat command | Filed in: Database, Development, Environment, Memory, Performance Engineering, Process, Web Server.

I have been spending  bit of my time on EC2 Amazon linux. So thought of just making a note of some of the commands I frequently use. It helps me to look directly at my site for information on this command rather than googling and spending time for the information in the internet for this • Read More »

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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

March 22, 2012 | By kiranbadi1991 | Comments Off on Java Performance Series | Filed in: Development, Environment, Memory, Performance Engineering.

It’s really been long time I have worked on performance testing of the java based applications (Good 2+ years), so in order to rehearse my past experience on java based applications, I am thinking to start series of posts which will showcase my thoughts on the testing/identifying/isolating/fixing/suggesting some of the key performance issues which I • Read More »

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