[GitHub] spark pull request: SPARK-5112. Expose SizeEstimator as a develope...

[srowen <gi...@git.apache.org>]

Github user srowen commented on the pull request:

    https://github.com/apache/spark/pull/3913#issuecomment-93384261
  
    I'd like to resolve this one way or the other. My hesitation is mostly about tacking on another method to `SparkContext`, developer API or no. Would it really be a better way to estimate actual RDD size, since that depends on other stuff (even the JVM, whether data is serialized, etc.)


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