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Posted to issues@kylin.apache.org by "Dong Li (JIRA)" <ji...@apache.org> on 2015/12/15 09:50:46 UTC

[jira] [Created] (KYLIN-1233) Spill to disk when AggregationCache need too many memory

Dong Li created KYLIN-1233:
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             Summary: Spill to disk when AggregationCache need too many memory
                 Key: KYLIN-1233
                 URL: https://issues.apache.org/jira/browse/KYLIN-1233
             Project: Kylin
          Issue Type: Improvement
          Components: Query Engine
    Affects Versions: v2.0
            Reporter: Dong Li
            Assignee: Dong Li


In class GTAggregateScanner.AggregationCache, we hard coded 10GB as max limit of AggregationCache. If exceeded, exception will be thrown.

We can leverage disk to ensure stable.



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