The command used to find out space utilized by java in linux?

Question

define the word space. disk space?

ghostdog74
– ghostdog74

2010-02-04 07:43:06 +00:00
Commented Feb 4, 2010 at 7:43 — ghostdog74
– ghostdog74, Commented Feb 4, 2010 at 7:43
space: the final frontier! ;)

Carl Smotricz
– Carl Smotricz

2010-02-04 10:45:10 +00:00
Commented Feb 4, 2010 at 10:45 — Carl Smotricz
– Carl Smotricz, Commented Feb 4, 2010 at 10:45

dz. · Accepted Answer · 2010-02-04 07:24:32Z

1

It doesn't make sense checking the memory usage using OS depended tools. The memory of the "base" JVM might be even fix. With base meaning something like: Everything except the loaded classes and applied memory switches. The internal memory management in the JVM is bit complicated and i would recommend reading Memory Management in the Java HotSpot Virtual Machine. Better use tools like jvisualvm or jconsole, which are both distributed with the JDK. jconsole even shows the committed physical memory in the tab "VM Summary". Interpreting the memory output of /bin/ps might a bit confusing, so i would not recommend it.

Hope this helps.

answered Feb 4, 2010 at 7:24

dz.

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Carl Smotricz · Accepted Answer · 2010-02-04 07:05:34Z

0

You can use ps | grep java or top.

answered Feb 4, 2010 at 7:05

Carl Smotricz

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2 Comments

Kimvais Over a year ago

or top + press m - java will always be the first row without fail :)

C. K. Young Over a year ago

@Kimvais: On my computer, the top row is...VirtualBox. :-P

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