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https://issues.apache.org/jira/browse/HBASE-5229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189273#comment-13189273
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Todd Lipcon commented on HBASE-5229:
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bq. What if we allow a prefix of the row key instead?
That's essentially the approach that both DynamoDB and Oracle's NoSQL db take.
But, the way I see it, we already have that -- the row key is the "prefix of
the row key", and the column key is the "rest of the row key". What would an
extra element of key structure give us?
> Support atomic region operations
> --------------------------------
>
> Key: HBASE-5229
> URL: https://issues.apache.org/jira/browse/HBASE-5229
> Project: HBase
> Issue Type: New Feature
> Components: client, regionserver
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Fix For: 0.94.0
>
> Attachments: 5229.txt
>
>
> As discussed (at length) on the dev mailing list with the HBASE-3584 and
> HBASE-5203 committed, supporting atomic cross row transactions within a
> region becomes simple.
> I am aware of the hesitation about the usefulness of this feature, but we
> have to start somewhere.
> Let's use this jira for discussion, I'll attach a patch (with tests)
> momentarily to make this concrete.
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