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https://issues.apache.org/jira/browse/HIVE-18665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal V updated HIVE-18665:
---------------------------
    Status: Patch Available  (was: Open)

> LLAP: Ignore cache-affinity if the LLAP IO elevator is disabled
> ---------------------------------------------------------------
>
>                 Key: HIVE-18665
>                 URL: https://issues.apache.org/jira/browse/HIVE-18665
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 3.0.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Major
>         Attachments: HIVE-18665.1.patch
>
>
> SplitLocationProvider removes HDFS locality in LLAP, causing more network 
> traffic when reading file formats which aren't currently cached.
> In the absence of the IO elevator, cache affinity should be disabled.
> This information is encoded into the MapWork in deriveLlapIoDescString, move 
> this to an Enum type for comparisons.



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