Hive 3 has big performance improvement from my test

[ypeng]

Hello,

Just from my personal testing, Hive 3.1.3 has much better performance than
the old ones.
It's even as fast as Spark by using the default mr engine.
My test process and dataset,
https://blog.crypt.pw/Another-10-million-dataset-testing-for-Spark-and-Hive

Thanks.