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https://issues.apache.org/jira/browse/HBASE-1485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906849#action_12906849
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Evert Arckens commented on HBASE-1485:
--------------------------------------
The attached test TestCellUpdates.java also intializes a new
HBaseTestingUtility for each test method.
Setting this up only once for the whole test class causes issues when
triggering the major compaction which I haven't been able to pinpoint yet.
> Wrong or indeterminate behavior when there are duplicate versions of a column
> -----------------------------------------------------------------------------
>
> Key: HBASE-1485
> URL: https://issues.apache.org/jira/browse/HBASE-1485
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.20.0
> Reporter: Jonathan Gray
> Assignee: Pranav Khaitan
> Fix For: 0.90.0
>
> Attachments: TestCellUpdates.java
>
>
> As of now, both gets and scanners will end up returning all duplicate
> versions of a column. The ordering of them is indeterminate.
> We need to decide what the desired/expected behavior should be and make it
> happen.
> Note: It's nearly impossible for this to work with Gets as they are now
> implemented in 1304 so this is really a Scanner issue. To implement this
> correctly with Gets, we would have to undo basically all the optimizations
> that Gets do and making them far slower than a Scanner.
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