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From "Aihua Xu (JIRA)" <>
Subject [jira] [Updated] (HIVE-16346) inheritPerms should be conditional based on the target filesystem
Date Fri, 28 Apr 2017 17:47:04 GMT


Aihua Xu updated HIVE-16346:
    Status: Patch Available  (was: Reopened)

There are some files not renamed properly during applying the patch. Resubmitted the patch.

> inheritPerms should be conditional based on the target filesystem
> -----------------------------------------------------------------
>                 Key: HIVE-16346
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sahil Takiar
>            Assignee: Sahil Takiar
>             Fix For: 2.4.0
>         Attachments: HIVE-16346.1-branch-2.patch, HIVE-16346.2-branch-2.patch, HIVE-16346.3-branch-2.patch
> Right now, a lot of the logic in {{}} attempts to set permissions of different
files that have been moved / copied. This is only triggered if {{hive.warehouse.subdir.inherit.perms}}
is set to true.
> However, on blobstores such as S3, there is no concept of file permissions so these calls
are unnecessary, which can hurt performance.
> One solution would be to set {{hive.warehouse.subdir.inherit.perms}} to false, but this
would be a global change that affects an entire HS2 instance. So HDFS tables will no longer
have permissions inheritance.
> A better solution would be to make the inheritance of permissions conditional on the
target filesystem.

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