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https://issues.apache.org/jira/browse/HIVE-16346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu updated HIVE-16346:
----------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Status: Resolved (was: Patch Available)
pushed to branch-2. Thanks Sahil.
> inheritPerms should be conditional based on the target filesystem
> -----------------------------------------------------------------
>
> Key: HIVE-16346
> URL: https://issues.apache.org/jira/browse/HIVE-16346
> 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 {{Hive.java}} 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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