ampleArray() can be reduced.
>
> Which Spark release are you using ?
>
> Thanks
>
>> On Sun, Jan 17, 2016 at 6:22 AM, 张峻 wrote:
>> Dear All
>>
>> I used jProfiler to profiling my spark application.
>> And I had find more than 70% cpu is used by the
&g
Dear All
I used jProfiler to profiling my spark application.
And I had find more than 70% cpu is used by the
org.apache.spark.util.SizeEstimator class.
There call tree is as blow.
java.lang.Thread.run
--scala.collection.immutable.Range.foreach$mVc$sp
org.apache.spark.util.SizeEstimator$$ano