Re: Aggregate performace

Posted by ffpeng90 on Feb 09, 2017; 6:47am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Aggregate-performace-tp7440p7472.html

OK, Thanks for your answer.
The major logic seems to be the same.
However on my machine,  carbon costs 3-4 times than orc when grouping by field.
I will try some solutions on presto like concurrency and improve my hardware for test.