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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6222) Add per-KeyValue Security
Date Thu, 08 Nov 2012 18:56:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493387#comment-13493387
] 

Ted Yu commented on HBASE-6222:
-------------------------------

@Himanshu:
I have some questions about your design doc.
bq. Versions will be kept for each unique visibility expression.
Would this inflate memstore because we are keeping potentially many more versions of KeyValue
which differ by visibility expression only ?

bq. HTable-level property: a property “ENABLE_CELL_LEVEL_SECURITY” in
Since HFile metadata would include similar information, looks like storing such information
at column family level is better.

bq. The property “ENABLE_CELL_LEVEL_SECURITY” can be change only after enabling/disabling
the table.
I assume that the table is in disabled state when this property is changed.

on page 12:
bq. It attaches the CVFilter to the Get object,
Suppose a user belongs to more than one group, would multiple CVFilter instances be attached
to the Get object ?

bq. it passes only the ones which pass the “Secret” visibility expression.He will get
v1 and v4.
The above is inconsistent with description on page 11 where v2 and v4 are said to be returned.

Thanks
                
> Add per-KeyValue Security
> -------------------------
>
>                 Key: HBASE-6222
>                 URL: https://issues.apache.org/jira/browse/HBASE-6222
>             Project: HBase
>          Issue Type: New Feature
>          Components: security
>            Reporter: stack
>            Assignee: Andrew Purtell
>         Attachments: HBaseCellRow-LevelSecurityDesignDoc.docx, HBaseCellRow-LevelSecurityPRD.docx
>
>
> Saw an interesting article: http://www.fiercegovernmentit.com/story/sasc-accumulo-language-pro-open-source-say-proponents/2012-06-14
> "The  Senate Armed Services Committee version of the fiscal 2013 national defense authorization
act (S. 3254) would require DoD agencies to foreswear the Accumulo NoSQL database after Sept.
30, 2013, unless the DoD CIO certifies that there exists either no viable commercial open
source database with security features comparable to [Accumulo] (such as the HBase or Cassandra
databases)..."
> Not sure what a 'commercial open source database' is, and I'm not sure whats going on
in the article, but tra-la-la'ing, if we had per-KeyValue 'security' like Accumulo's, we might
put ourselves in the running for federal contributions?

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