If the comparison mention just MR, then is probably outdated. Hive can now run on Tez with a great improvement in performance. However I don't know about Hive+Tez vs Impala.
On Mon, Apr 27, 2015 at 10:50 AM, Nitin Pawar <nitinpawar...@gmail.com> wrote: > What use case are you trying to solve? > > On Mon, Apr 27, 2015 at 2:16 PM, Ashok Kumar <ashok34...@yahoo.com> wrote: > >> Hi gurus, >> >> Kindly help me understand the advantage that Impala has over Hive. >> >> I read a note that Impala does not use MapReduce engine and is therefore >> very fast for queries compared to Hive. However, Hive as I understand is >> widely used everywhere! >> >> Thank you >> > > > > -- > Nitin Pawar >