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Posted to issues@kylin.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/04/26 10:29:00 UTC
[jira] [Commented] (KYLIN-3987) Give more reducer for UHC column in
fact distinct job
[ https://issues.apache.org/jira/browse/KYLIN-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826861#comment-16826861 ]
ASF GitHub Bot commented on KYLIN-3987:
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Wayne1c commented on pull request #621: KYLIN-3987 Set a larger value of reducer num for fact distinct job
URL: https://github.com/apache/kylin/pull/621
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> 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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