[jira] [Created] (KYLIN-839) Optimize Snapshot table memory usage

[liyang (JIRA)]

liyang created KYLIN-839:
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             Summary: Optimize Snapshot table memory usage 
                 Key: KYLIN-839
                 URL: https://issues.apache.org/jira/browse/KYLIN-839
             Project: Kylin
          Issue Type: Bug
            Reporter: liyang


Currently Snapshot memory structure is very inefficient. E.g. it goes OOM when 
building a cube with a lookup table of 272 MB with 3 GM java heap.



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