Yifei Wu edited comment on KYLIN-3267 at 3/6/18 11:13 AM:

My mistakeļ¼ŒI will modify the title and description and be more cautious in 

> add override MR config at project/cube level only for mem-hungry build steps 
> like "Build columnar page index"
> -------------------------------------------------------------------------------------------------------------
>                 Key: KYLIN-3267
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3267
>             Project: Kylin
>          Issue Type: Bug
>            Reporter: Yifei Wu
>            Assignee: Yifei Wu
>            Priority: Major
> Currently, users can override MR config at project/cube level via kylin 
> propertiesĀ {{kylin.engine.mr.config-override.}}
> However, this applies to all MR steps. It is more reasonable to add 
> override-configs only for certain memory-hungry steps like in-mem cubing and 
> "Build columnar page index"

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