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Posted to dev@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2015/10/12 03:54:05 UTC

[jira] [Created] (KYLIN-1066) Only 1 reducer is started in the "Build cube" step of MR_Engine_V2

Shaofeng SHI created KYLIN-1066:
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             Summary: Only 1 reducer is started in the "Build cube" step of MR_Engine_V2
                 Key: KYLIN-1066
                 URL: https://issues.apache.org/jira/browse/KYLIN-1066
             Project: Kylin
          Issue Type: Bug
          Components: Job Engine
    Affects Versions: v2.0
            Reporter: Shaofeng SHI
            Assignee: Shaofeng SHI
             Fix For: v2.0


When implements KYLIN-1007, we didn't set the reducer number for the "build cube" job, which caused only 1 reducer is started, this is unexpected; Need startup more reducers based on the mapper output estimation. 



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