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https://issues.apache.org/jira/browse/KYLIN-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16837076#comment-16837076
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ASF subversion and git services commented on KYLIN-3987:
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Commit 9bbf520f1149cea59697460dad252ee9de2cad34 in kylin's branch
refs/heads/2.6.x from chao long
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=9bbf520 ]
KYLIN-3987 Set a larger value of reducer num for fact distinct job
> Give more reducer for UHC column in fact distinct job
> -----------------------------------------------------
>
> Key: KYLIN-3987
> URL: https://issues.apache.org/jira/browse/KYLIN-3987
> Project: Kylin
> Issue Type: Bug
> Reporter: Chao Long
> Assignee: Chao Long
> Priority: Major
> Fix For: v2.6.2
>
>
> The defualt value of the reducer number for UHC column in fact distinct job
> is too small(default 1), the fact distinct job may be very slow, even throw
> OOM exception. We should give it a large value by default.
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