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https://issues.apache.org/jira/browse/HIVE-9898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-9898:
----------------------------------------
    Attachment: HIVE-9898.1.patch

I ran MiniLlapCluster with all of tez test suite and enabling this did not 
cause any issues. [~sseth] mentioned he also observed the same. [~gopalv] Did 
you observe any issues with filesystem close recently?

> LLAP: Sort out issues with UGI and cached FileSystems
> -----------------------------------------------------
>
>                 Key: HIVE-9898
>                 URL: https://issues.apache.org/jira/browse/HIVE-9898
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Siddharth Seth
>             Fix For: llap
>
>         Attachments: HIVE-9898.1.patch
>
>
> - UGI setup per fragment / per query
> - UGI setup in case of doAs=false (all data owned by the hive user)
> - when to close FileSystems instances when using multiple UGIs



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