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He Yongqiang commented on HIVE-352: ----------------------------------- By "So i guess i may need to discard SequenceFile, which can support skipping data and compression. " I mean: i may need to discard SequenceFile, and implement a new one, which has many similarities with SequenceFile but can support skipping data and fine grained compression (in record each column compression). > Make Hive support column based storage > -------------------------------------- > > Key: HIVE-352 > URL: https://issues.apache.org/jira/browse/HIVE-352 > Project: Hadoop Hive > Issue Type: New Feature > Reporter: He Yongqiang > > column based storage has been proven a better storage layout for OLAP. > Hive does a great job on raw row oriented storage. In this issue, we will > enhance hive to support column based storage. > Acctually we have done some work on column based storage on top of hdfs, i > think it will need some review and refactoring to port it to Hive. > Any thoughts? -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.