[ https://issues.apache.org/jira/browse/HIVE-4244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kevin Wilfong reassigned HIVE-4244: ----------------------------------- Assignee: Kevin Wilfong (was: Owen O'Malley) > Make string dictionaries adaptive in ORC > ---------------------------------------- > > Key: HIVE-4244 > URL: https://issues.apache.org/jira/browse/HIVE-4244 > Project: Hive > Issue Type: Bug > Components: Serializers/Deserializers > Reporter: Owen O'Malley > Assignee: Kevin Wilfong > > The ORC writer should adaptively switch between dictionary and direct > encoding. I'd propose looking at the first 100,000 values in each column and > decide whether there is sufficient loading in the dictionary to use > dictionary encoding. -- 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