Github user zzcclp commented on the issue:
https://github.com/apache/carbondata/pull/1455
@chenliang613 we have discussed this in mailing list [Optimize the default
value for some
parameters](http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/DISCUSSION-Optimize-the-default-value-for-some-parameters-td23895.html),
and some discussions are in
[CARBONDATA-1624](https://issues.apache.org/jira/projects/CARBONDATA/issues/CARBONDATA-1624?filter=allopenissues).---
