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Posted to dev@kylin.apache.org by "liyang (JIRA)" <ji...@apache.org> on 2016/07/06 08:03:10 UTC

[jira] [Created] (KYLIN-1851) Imrpove build dictionary, consider that input is already sorted

liyang created KYLIN-1851:
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             Summary: Imrpove build dictionary, consider that input is already sorted
                 Key: KYLIN-1851
                 URL: https://issues.apache.org/jira/browse/KYLIN-1851
             Project: Kylin
          Issue Type: Bug
            Reporter: liyang


Currently dictionary build may encounter OOM when cardinality is huge. This can benefit from that the input (which is the output of FactDistinctColumn reducer) is already sorted.



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