Hi all, Now we plan to implement delta encoding for the numeric type column in SORT_COLUMNS. 1. use delta encoding to encode the numeric type data
2. write present metadata to the page header, to record the null value. 3. improve the compression on no-dictionary string column. use RLE to compress the array of the lengths in LV encoding. Any thoughts, comments and questions ? Best Regards David QiangCai -- View this message in context: http://apache-carbondata-mailing-list-archive.1130556.n5.nabble.com/DISCUSSION-implement-delta-encoding-for-numeric-type-column-in-SORT-COLUMNS-tp10124.html Sent from the Apache CarbonData Mailing List archive mailing list archive at Nabble.com.