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khalidr/SizeOnHeapEstimate.scala

Last active May 22, 2019 20:56
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Get an estimate of the number of bytes an object takes up on heap
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SizeOnHeapEstimate.scala
def size[T <: AnyRef](obj:T) = org.apache.spark.util.SizeEstimator.estimate(obj)
val myObj = new MyObj()
println(s"object size is ${size(myObj)}")
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