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Prasanth J commented on HIVE-4123: ---------------------------------- Code comment improvement/fixes, removed some redundant code, long repeat runs will directly use DELTA encoding instead of calling determineEncoding() function and few more changes added. > The RLE encoding for ORC can be improved > ---------------------------------------- > > Key: HIVE-4123 > URL: https://issues.apache.org/jira/browse/HIVE-4123 > Project: Hive > Issue Type: New Feature > Components: File Formats > Affects Versions: 0.12.0 > Reporter: Owen O'Malley > Assignee: Prasanth J > Labels: orcfile > Fix For: 0.12.0 > > Attachments: HIVE-4123.1.git.patch.txt, HIVE-4123.2.git.patch.txt, > HIVE-4123.3.patch.txt, HIVE-4123.4.patch.txt, HIVE-4123.5.txt, > HIVE-4123.6.txt, ORC-Compression-Ratio-Comparison.xlsx > > > The run length encoding of integers can be improved: > * tighter bit packing > * allow delta encoding > * allow longer runs -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira