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https://issues.apache.org/jira/browse/HIVE-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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He Yongqiang updated HIVE-2440:
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Attachment: HIVE-2440.3.patch
removed childrenPaths from MapOp
> make hive mapper initialize faster when having tons of input files
> ------------------------------------------------------------------
>
> Key: HIVE-2440
> URL: https://issues.apache.org/jira/browse/HIVE-2440
> Project: Hive
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
> Attachments: HIVE-2440.1.patch, HIVE-2440.2.patch, HIVE-2440.3.patch
>
>
> when one hive job has tons of input files, a lot of mappers may fail because
> of slow initialization.
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