/// <summary> /// Mark the DataFrame as non-persistent, and remove all blocks for it from memory and disk. /// </summary> /// <param name="blocking">Whether to block until all blocks are deleted.</param> // Python API: https://github.com/apache/spark/blob/branch-1.4/python/pyspark/sql/dataframe.py unpersist(self, blocking=True) public DataFrame Unpersist(bool blocking = true) { dataFrameProxy.Unpersist(blocking); return(this); }