01-28-2016 06:27 AM
How to find out the number of MapReduce jobs for single Hive query?
Could you please let me know if I execute below query how many mapreduce jobs will be launched and the squence of these jobs.
select col1, col2, sum(col3), count(col4), avg(col5) from sample_table where col1=condition;
Thanks in advance
02-28-2016 01:58 AM