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https://issues.apache.org/jira/browse/KYLIN-4992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhong Yanghong updated KYLIN-4992:
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Priority: Critical (was: Major)
> Source row count statistics calculated in a wrong way in MergeDictionaryMapper
> ------------------------------------------------------------------------------
>
> Key: KYLIN-4992
> URL: https://issues.apache.org/jira/browse/KYLIN-4992
> Project: Kylin
> Issue Type: Bug
> Reporter: Zhong Yanghong
> Priority: Critical
>
> With this bug, source row count will be smaller than the correct one and it
> will result in smaller cuboid size estimation and smaller region number.
> Finally it will impact job and query performance.
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