Tuesday, December 29, 2015

Java CPU and Heap stats commands

CPU


ps p [process id] -L -o pcpu,pid,tid,time,tname,stat,psr | sort -n -k1 -r > psp_`date +%Y%m%d_%H%M`.log

jstack [process id] >jstack_[process id].log


Heap

jmap -F -dump:format=b,file=java_app-heap.bin [process id]

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