[jira] [Commented] (HBASE-7662) [Per-KV security] Store and apply per cell ACLs into/from KeyValue tags

["Andrew Purtell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-7662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562081#comment-13562081 ] 

Andrew Purtell commented on HBASE-7662:
---------------------------------------

Although we are prototyping this as an alternate implementation to HBASE-7661, I think we will want to build this on HBASE-7661, so both inline and out-of-line ACL storage options are available. (And which seems better for a basket of common use cases as the default.)
                
> [Per-KV security] Store and apply per cell ACLs into/from KeyValue tags
> -----------------------------------------------------------------------
>
>                 Key: HBASE-7662
>                 URL: https://issues.apache.org/jira/browse/HBASE-7662
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors, security
>    Affects Versions: 0.98.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>
> We can improve the performance of per-cell authorization if the read of the cell ACL, if any, is combined with the sequential read of the cell data already in progress. When tags are inlined with KVs in block encoding (see HBASE-7448, and more generally HBASE-7233), we can use them to carry cell ACLs instead of using out-of-line storage (HBASE-7661) for that purpose.

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