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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7692) Add utility class to generate ordered byte[] serialization
Date Thu, 28 Feb 2013 05:09:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589190#comment-13589190
] 

stack commented on HBASE-7692:
------------------------------

I've put comments over in rb.  Highlevel:

+ This is well-thought through quality stuff.  It is great.
+ Do we need all of it?  Can we drop all the Writable stuff in particular (HBase is moving
away from Writables so we have no use for it).  Do we need all the permuations listed here?
 Would it even be better to take on a small part of this set first?
+ The fixation on 'rowkey' is not apt given it won't always be used for rowkey.
+ Could it be included as a jar rather than as module?  If not, module w/ no dependencies
would be better (would need to undo the hbase-common current dependency)

Thanks Nick.
                
> Add utility class to generate ordered byte[] serialization
> ----------------------------------------------------------
>
>                 Key: HBASE-7692
>                 URL: https://issues.apache.org/jira/browse/HBASE-7692
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>             Fix For: 0.95.0
>
>         Attachments: HBASE-7692.v1.patch, HBASE-7692.v2.patch, HBASE-7692.v3.patch, HBASE-7692.v4.patch,
HBASE-7692.v5.patch
>
>
> The current Bytes utility class works, but produces output that does not maintain the
native sort ordering of the input value. This results in, for example, a negative value that
does not necessarily sort before a positive value. HBase should provide a canonical implementation
of such a serialization format so that third-parties can reliably build on top of HBase. This
will allow an implementation for HIVE-3634, HIVE-2599, or HIVE-2903 that is compatible with
similar features in Pig.

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