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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2017/02/14 08:35:41 UTC

[jira] [Resolved] (KYLIN-2244) "kylin.job.cuboid.size.memhungry.ratio" shouldn't be applied on measures like TopN

     [ https://issues.apache.org/jira/browse/KYLIN-2244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shaofeng SHI resolved KYLIN-2244.
---------------------------------
    Resolution: Fixed

> "kylin.job.cuboid.size.memhungry.ratio" shouldn't be applied on measures like TopN
> ----------------------------------------------------------------------------------
>
>                 Key: KYLIN-2244
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2244
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>            Reporter: Shaofeng SHI
>            Assignee: Shaofeng SHI
>             Fix For: v2.0.0
>
>
> The parameter "kylin.job.cuboid.size.memhungry.ratio" (new name " kylin.cube.size-estimate-memhungry-ratio") default value 0.05, is based on the compression ration on HyperLogLog; it doesn't fit for other memory hungry measures like TopN, Raw, etc;  



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