Lifted from the Apache Spark user email list
(http://apache-spark-user-list.1001560.n3.nabble.com/Hadoop-Writable-and-Spark-serialization-td5721.html)
which indicates that it was originally copied from Shark itself, back when
Spark 0.9 was the state of the art.
T
The class to serialize, which implements the Writable interface.
A Kryo serializer for Hadoop writables.
Lifted from the Apache Spark user email list (http://apache-spark-user-list.1001560.n3.nabble.com/Hadoop-Writable-and-Spark-serialization-td5721.html) which indicates that it was originally copied from Shark itself, back when Spark 0.9 was the state of the art.
The class to serialize, which implements the Writable interface.