Re: About ColumnGroup feature

2017-06-12 Thread David CaiQiang
http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/About-ColumnGroup-feature-tp14436p14729.html Sent from the Apache CarbonData Dev Mailing List archive mailing list archive at Nabble.com.

RE: About ColumnGroup feature

2017-06-12 Thread Jihong Ma
not a feature beneficial to real-world application, vote for A! Jihong -Original Message- From: Jacky Li [mailto:jacky.li...@qq.com] Sent: Friday, June 09, 2017 6:05 PM To: dev@carbondata.apache.org Subject: About ColumnGroup feature Hi Community, In JIRA 1014, we are adding Unsafe

Re: About ColumnGroup feature

2017-06-10 Thread Erlu Chen
-archive.1130556.n5.nabble.com/About-ColumnGroup-feature-tp14436p14459.html Sent from the Apache CarbonData Dev Mailing List archive mailing list archive at Nabble.com.

Re: About ColumnGroup feature

2017-06-10 Thread Liang Chen
Hi +1 for removal ColumnGroup. it would be helpful to simplify the current system code. Regards Liang -- View this message in context: http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/About-ColumnGroup-feature-tp14436p14458.html Sent from the Apache CarbonData Dev

Re: About ColumnGroup feature

2017-06-09 Thread Ravindra Pesala
Hi, +1 for A (removal of Column group feature.) Column group is anyway was not tuned well and it needs lot of effort to get the good performance. And it is also unused feature in community as far as I know. It becomes bottle neck to add new features on carbon data. So it is better to remove the un

About ColumnGroup feature

2017-06-09 Thread Jacky Li
Hi Community, In JIRA 1014, we are adding Unsafe ColumnPage in data load process to reduce GC, and adding EncodingStrategy for Encoding Overriding features to make open up encoding interface for both usability and extensibility. When implementing these new features, I found ColumnGroup feature