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https://issues.apache.org/jira/browse/HIVE-2030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siying Dong updated HIVE-2030:
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Status: Patch Available (was: Open)
> isEmptyPath() to use ContentSummary cache
> -----------------------------------------
>
> Key: HIVE-2030
> URL: https://issues.apache.org/jira/browse/HIVE-2030
> Project: Hive
> Issue Type: Improvement
> Reporter: Siying Dong
> Assignee: Siying Dong
> Priority: Minor
> Attachments: HIVE-2030.1.patch
>
>
> addInputPaths() calls isEmptyPath() for every input path. Now every call is a
> DFS namenode call. Making isEmptyPath() to use cached ContentSummary, we
> should be able to avoid some namenode calls and reduce latency in the case of
> multiple partitions.
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