What you can read from this is PID, CPU Usage (%) and Memory Usage (%) for each of the processes. Servername 72392 0.0 8.3 3169604 437192 ? S 29Jul11 120:41.42 /usr/bin/java -Xmx256m -Xms256m -Djava.io.tmpdir=/jettytmp -Dbtrace.agent=JSFlotDemoAgent nfiguration=file:/srv/jsflot/demo/log4j.xml -javaagent:/srv/btrace/1.2/btrace-agent.jar=scriptdir=/srv/btrace/scripts,stdout=false,fileRollMilliseconds=7500 -classpath :very_verbose_classpath It stands for ‘process status’ and is used to display information about processes currently running on a system. The output from my server is the following: servername:~ servername$ ps aux | grep java 25 Useful ps Command Examples for Linux Process Monitoring - The ‘ps’ command is a popular tool used for monitoring processes in Linux operating system. We’ll also look at reading /proc/meminfo directly.

In this roundup, we’ll cover the most commonly used command-line methods: free, vmstat, and top. This will show you the memory usage of each application containing java in their launch-string, which should be most if not all java apps. There are plenty of ways you can get the lowdown on memory usage within your Linux system.

Memory monitoring in linux