The HIVE performance in CDH 5.14.2 is more faster than hive in CDH6.0.1. The same hive SQL is fast in 5.14.2, but it's too slow in CDH 6.0.1. it's only have count(distinct) which has this issue. This question is similar to
In produce environment,I use hiveOnSpark. Below is an simple sql,but it's too slow.
select count(1) as pv,
count(distinct user_id) as uv
where dt>='2018-11-09' and dt<='2018-11-10'
group by biz