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https://issues.apache.org/jira/browse/KYLIN-6025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liyang closed KYLIN-6025.
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close as kylin 5.0.2 released
> Support file merging within partitions for internal tables
> ----------------------------------------------------------
>
> Key: KYLIN-6025
> URL: https://issues.apache.org/jira/browse/KYLIN-6025
> Project: Kylin
> Issue Type: New Feature
> Affects Versions: 5.0.0
> Reporter: Guoliang Sun
> Assignee: Guoliang Sun
> Priority: Major
> Fix For: 5.0.2
>
>
> When multiple tasks write to the same internal table partition during the
> build phase, the data is written into multiple subdirectories, which can
> easily lead to an excessive number of files and increase HDFS pressure. A
> reasonable merging mechanism is needed.
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