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https://issues.apache.org/jira/browse/HIVE-2504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohini Palaniswamy updated HIVE-2504:
-------------------------------------
Attachment: HIVE-2504-1.patch
Added hive.warehouse.subdir.inherit.perms which is false by default. The
default behaviour of hive-0.8 stays. i.e directories will be created with the
permissions of dfs.umask or dfs.umaskmode. If
hive.warehouse.subdir.inherit.perms is set to true, then table directories will
inherit the permission of the default warehouse or the custom database
location. This comes in handy when you have databases created with different
permissions or if the warehouse directory has permissions like 775.
Ashutosh,
Your argument of warehouse having 700 permissions will not hold. If
warehouse has 700 and even if the table directories have 755 or 775 they will
not be accessible by any one other than the owner because if you don't have
access to the parent directory you cannot access sub-directories in dfs (Same
as Linux). So the warehouse has to be at least 755 or 750 to start with. So
with the initial patch, the sub-directories would have been created with 775.
But with my patch, they would have been created the same as warehouse
directory(755 or 750) which would still allow read access to group. But anyways
to avoid any confusion and provide backward compatibility added the new config.
> Warehouse table subdirectories should inherit the group permissions of the
> warehouse parent directory
> -----------------------------------------------------------------------------------------------------
>
> Key: HIVE-2504
> URL: https://issues.apache.org/jira/browse/HIVE-2504
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Carl Steinbach
> Assignee: Rohini Palaniswamy
> Fix For: 0.9.0
>
> Attachments: HIVE-2504-1.patch, HIVE-2504.patch, HIVE-2504.patch
>
>
> When the Hive Metastore creates a subdirectory in the Hive warehouse for
> a new table it does so with the default HDFS permissions. Since the default
> dfs.umask value is 022, this means that the new subdirectory will not inherit
> the
> group write permissions of the hive warehouse directory.
> We should make the umask used by Warehouse.mkdirs() configurable, and set
> it to use a default value of 002.
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