> > > [image: image.png] > > from your posting, the result is amazing. glad to know hive on mr3 has > that nice performance. >
Hive on MR3 is similar to Hive-LLAP in performance, so we can interpret the above result as Hive being much faster than SparkSQL. For executing concurrent queries, the performance gap is even greater. In my (rather biased) opinion, the key weakness of Spark is 1) its poor performance when executing concurrent queries and 2) its poor resource utilization when executing multiple Spark applications concurrently. We released Hive on MR3 1.6 a couple of weeks ago. Now we have backported about 700 patches to Hive 3.1. If interested, please check it out: https://www.datamonad.com/ Sungwoo
