Amazon interview question

How do you know how much memory your java application is taking on Linux?

Interview Answers

Anonymous

20 May 2020

jps |awk "{print $1}" | xargs -L 1 ps -ef -o %mem

1

Anonymous

7 Feb 2021

ps aux | grep -i

Anonymous

18 Oct 2015

pmap or top is probably the simplest. Just be sure not to confuse virtual memory with physical.

8

Anonymous

2 Mar 2018

Just search for the pid created by that java process. And then you get to know the memory usage by top or ps -ef/ps -auxx commands.

Anonymous

10 Jun 2019

jvmtop is a command-line tool which provides a live-view at several metrics, including heap.

Anonymous

7 Feb 2020

Ps -ef| grep - java

1