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https://issues.apache.org/jira/browse/HBASE-14524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936905#comment-14936905
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Lars Francke commented on HBASE-14524:
--------------------------------------
There are no failed unit tests... and I didn't include another test because I
forgot. I will add another patch with a new test that'll check whether same
cells are always returning 0.
> Short-circuit comparison of rows in CellComparator
> --------------------------------------------------
>
> Key: HBASE-14524
> URL: https://issues.apache.org/jira/browse/HBASE-14524
> Project: HBase
> Issue Type: Improvement
> Reporter: Lars Francke
> Assignee: Lars Francke
> Priority: Minor
> Attachments: HBASE-14524.patch
>
>
> {{CellComparator#compareRows}} compares two rows. For Scans and Gets these
> objects can sometimes be exactly the same object.
> I see this (without fully understanding everything that's going on) for the
> first cell in each row.
> In these circumstances I think it makes sense to short-circuit the comparison
> (not do a byte comparison and class cast checks) and bail out early if the
> objects are identical.
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