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Posted to dev@kylin.apache.org by "hongbin ma (JIRA)" <ji...@apache.org> on 2016/07/09 05:08:10 UTC

[jira] [Created] (KYLIN-1864) keep volatile time range out of auto merging

hongbin ma created KYLIN-1864:
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             Summary: keep volatile time range out of auto merging
                 Key: KYLIN-1864
                 URL: https://issues.apache.org/jira/browse/KYLIN-1864
             Project: Kylin
          Issue Type: Improvement
            Reporter: hongbin ma
            Assignee: hongbin ma


Current segment auto merging logic will try to merge all segments, including all the recent segments. In some scenarios user don't want recent segments being merged because they may still undergo data updates. A "volatile time range" may be introduced to ease such cases. A "volatile time range" specify a recent time range, segments in this range will be immune from being auto merged.



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