PySpark takeOrdered example

Sort by keys (ascending):

RDD.takeOrdered(5, key = lambda x: x[0])

Sort by keys (descending):

RDD.takeOrdered(5, key = lambda x: -x[0])

Sort by values (ascending):

RDD.takeOrdered(5, key = lambda x: x[1])

Sort by values (descending):

RDD.takeOrdered(5, key = lambda x: -x[1])

Credit: http://stackoverflow.com/questions/30787635/takeordered-descending-pyspark