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Posted to dev@sentry.apache.org by Mohammad Islam <mi...@yahoo.com.INVALID> on 2016/08/08 16:22:26 UTC

Sentry-HDFS sync

Hi,What are the constraints of HDFS-sync feature?Can any MR/pig job's HDFS access be controlled by Sentry? or they MUST use HCatalog IOFormat/Loader? 
Regards,Mohammad

Re: Sentry-HDFS sync

Posted by Sravya Tirukkovalur <sr...@cloudera.com>.

Hi Mohammad,

Sentry translates the permissions of hive tables/databases to underlying
file system directories in form of file system ACLS. So, even without using
HCat, you can still rely on file system permissions. Please see here for
detailed explanation on how it works:
https://cwiki.apache.org/confluence/display/SENTRY/Sentry+Tutorial#SentryTutorial-Sentry-HDFSSynchronization

Regards,

On Mon, Aug 8, 2016 at 9:22 AM, Mohammad Islam <mi...@yahoo.com.invalid>
wrote:

> Hi,What are the constraints of HDFS-sync feature?Can any MR/pig job's HDFS
> access be controlled by Sentry? or they MUST use HCatalog IOFormat/Loader?
> Regards,Mohammad
>

-- 
Sravya Tirukkovalur