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https://issues.apache.org/jira/browse/HDFS-6826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Abdelnur updated HDFS-6826:
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    Status: Open  (was: Patch Available)

canceling patch, there is some special handling for editlogs that has to be 
done, working on it.

> Plugin interface to enable delegation of HDFS authorization assertions
> ----------------------------------------------------------------------
>
>                 Key: HDFS-6826
>                 URL: https://issues.apache.org/jira/browse/HDFS-6826
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 2.4.1
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: HDFS-6826-idea.patch, HDFS-6826-idea2.patch, 
> HDFS-6826v3.patch, HDFS-6826v4.patch, HDFS-6826v5.patch, HDFS-6826v6.patch, 
> HDFS-6826v7.1.patch, HDFS-6826v7.2.patch, HDFS-6826v7.patch, 
> HDFSPluggableAuthorizationProposal-v2.pdf, 
> HDFSPluggableAuthorizationProposal.pdf
>
>
> When Hbase data, HiveMetaStore data or Search data is accessed via services 
> (Hbase region servers, HiveServer2, Impala, Solr) the services can enforce 
> permissions on corresponding entities (databases, tables, views, columns, 
> search collections, documents). It is desirable, when the data is accessed 
> directly by users accessing the underlying data files (i.e. from a MapReduce 
> job), that the permission of the data files map to the permissions of the 
> corresponding data entity (i.e. table, column family or search collection).
> To enable this we need to have the necessary hooks in place in the NameNode 
> to delegate authorization to an external system that can map HDFS 
> files/directories to data entities and resolve their permissions based on the 
> data entities permissions.
> I’ll be posting a design proposal in the next few days.



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