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From "kangkaisen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-2993) Add special mr config for base cuboid step
Date Thu, 14 Dec 2017 07:35:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16290471#comment-16290471
] 

kangkaisen commented on KYLIN-2993:
-----------------------------------

OK, Thanks Liyang!

> Add special mr config for base cuboid step
> ------------------------------------------
>
>                 Key: KYLIN-2993
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2993
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v2.1.0
>            Reporter: kangkaisen
>            Assignee: kangkaisen
>             Fix For: v2.3.0
>
>         Attachments: KYLIN-2993.patch
>
>
> Refer to http://kylin.apache.org/blog/2016/08/01/count-distinct-in-kylin/, currently,
if user want to enlarge MR memory for global dict, they must use kylin.engine.mr.config-override.,
which will enlarge the memory of  all mr job. In fact, we only need to enlarge the memory
for "Build Base Cuboid", so we could add a special mr config for base cuboid step.



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