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From "Evert Arckens (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1485) Wrong or indeterminate behavior when there are duplicate versions of a column
Date Tue, 07 Sep 2010 15:58:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906849#action_12906849

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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