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Posted to issues@kylin.apache.org by "liyang (JIRA)" <ji...@apache.org> on 2016/02/09 08:20:18 UTC

[jira] [Commented] (KYLIN-1226) InMemCubeBuilder throw OOM for multiple HLLC measures

    [ https://issues.apache.org/jira/browse/KYLIN-1226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138461#comment-15138461 ] 

liyang commented on KYLIN-1226:
-------------------------------

DoggedCubeBuilder and InMemCubeBuilder should estimate memory usage in a more pessimistic way. Without specifying any GC, the builder should simply observe the highest memory water mark. This includes any immediate memory objects through out the cubing process.

> InMemCubeBuilder throw OOM for multiple HLLC measures
> -----------------------------------------------------
>
>                 Key: KYLIN-1226
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1226
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: liyang
>            Assignee: liyang
>             Fix For: v2.0
>
>
> When HLLC measures are many, memory estimate in InMemCubeBuilder is not cautious enough.



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