[jira] [Created] (KYLIN-855) improve performance DictionaryManager.checkDupByContent

[ZhouQianhao (JIRA)]

ZhouQianhao created KYLIN-855:
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             Summary: improve performance DictionaryManager.checkDupByContent
                 Key: KYLIN-855
                 URL: https://issues.apache.org/jira/browse/KYLIN-855
             Project: Kylin
          Issue Type: Sub-task
          Components: streaming
            Reporter: ZhouQianhao
            Assignee: ZhouQianhao


when segment count increase, checkDupByContent respectively can be very slow



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