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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2017/08/09 05:42:00 UTC

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

     [ https://issues.apache.org/jira/browse/KYLIN-1233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shaofeng SHI closed KYLIN-1233.
-------------------------------

> 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: v1.4.0
>            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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