ser-list.1001560.n3.nabble.com/file/n5137/executor_threads.png>
it's not accurate to use Runtime.getRuntime().freeMemory
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On Wed, Apr 30, 2014 at 1:52 PM, wxhsdp wrote:
> Hi, guys
>
> i want to do some optimizations of my spark codes. i use VisualVM to
> monitor the executor when run the app.
> here's the snapshot:
> <
> http://apache-spark-user-list.1001560.n3.nabble.com/file/n5107/executor.png
> >
>
> from the
lly thought that 60% of the
memory is kept for Spark's memory cache(i did not cache any RDDs in my
application), so there was only 40% left for running the app.
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