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Posted to dev@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2015/11/10 04:24:11 UTC

[jira] [Created] (KYLIN-1136) Distinguish fast build mode and complete build mode

hongbin ma created KYLIN-1136:
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             Summary: Distinguish fast build mode and complete build mode
                 Key: KYLIN-1136
                 URL: https://issues.apache.org/jira/browse/KYLIN-1136
             Project: Kylin
          Issue Type: Improvement
    Affects Versions: 2.0
            Reporter: hongbin ma
            Assignee: hongbin ma


currently BuildCubeWithEngineTest is responsible for building 4 test cubes for other test cases to use. we intend to build the cubes by stages(use incremental cube building and cube merging, this meaning multiple rounds of MR jobs) so that we can make sure to cover both job engine's cube building and merging functions

On the other hand, sometimes when we're working on other modules, we don't care how a cube is built, we only need a queryable cube(like when we're developing query engine). This is when fast mode would be help full. In BuildCubeWithEngineTest fast mode, every test cube will be built with a single segment, this means only a single round of MR is required for each cube, this will make BuildCubeWithEngineTest much faster.




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