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https://issues.apache.org/jira/browse/HBASE-669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12623396#action_12623396
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Jim Kellerman commented on HBASE-669:
-------------------------------------

> Clint Morgan - 17/Aug/08 12:18 PM
> Attaching current version: a few fixes, documentation, and cleanup.
>
> I think this is ready for commit. The main remaining issue is correctly 
> recovering from the HLog in event
> of crash.

How would this recovery be different from HBASE-728 combined with HBASE-698 ?


> MultiRegion transactions with Optimistic Concurrency Control
> ------------------------------------------------------------
>
>                 Key: HBASE-669
>                 URL: https://issues.apache.org/jira/browse/HBASE-669
>             Project: Hadoop HBase
>          Issue Type: New Feature
>          Components: client, ipc, regionserver
>            Reporter: Clint Morgan
>            Assignee: Clint Morgan
>             Fix For: 0.3.0
>
>         Attachments: hbase-669-v2.patch, hbase-669-v3.patch, 
> hbase-669-v4.patch, hbase-669-v5.patch, hbase-669.patch, hbase-669.patch, 
> hbase-669.patch
>
>
> We have a need for ACID transactions across tables. This issue is about 
> adding transactions which span multiple regions.  We do not envision many 
> competing writes, and will be read-dominated in general. This makes 
> Optimistic Concurrency Control (OCC) seem like the way to go.

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