Since this will be released in Spark 1.3, you can track the dev. in the 1.3 branch on Github https://github.com/apache/spark/tree/branch-1.3 https://github.com/

Since this will be released in Spark 1.3, you can track the dev. in the 1.3 branch on Github https://github.com/apache/spark/tree/branch-1.3 https://github.com/apache/spark/tree/branch-1.3