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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2016/12/12 06:19:58 UTC
[jira] [Updated] (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 updated KYLIN-2244:
--------------------------------
Fix Version/s: v1.6.1
Component/s: Job Engine
> "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: v1.6.1
>
>
> 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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