You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2017/05/16 00:16:04 UTC

[jira] [Created] (HIVE-16669) Fine tune Compaction to take advantage of Acid 2.0

Eugene Koifman created HIVE-16669:
-------------------------------------

             Summary: Fine tune Compaction to take advantage of Acid 2.0
                 Key: HIVE-16669
                 URL: https://issues.apache.org/jira/browse/HIVE-16669
             Project: Hive
          Issue Type: Bug
          Components: Transactions
            Reporter: Eugene Koifman
            Assignee: Eugene Koifman


* There is little point using 2.0 vectorized reader since there is no operator pipeline in compaction
* If minor compaction just concats delete_delta files together, then the 2 stage compaction should always ensure that we have a limited number of Orc readers to do the merging and current OrcRawRecordMerger should be fine
* ...




--
This message was sent by Atlassian JIRA
(v6.3.15#6346)