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https://issues.apache.org/jira/browse/KYLIN-3987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Long updated KYLIN-3987:
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Description: 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.
> 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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