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https://issues.apache.org/jira/browse/HBASE-4927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13164281#comment-13164281
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Hudson commented on HBASE-4927:
-------------------------------
Integrated in HBase-TRUNK-security #24 (See
[https://builds.apache.org/job/HBase-TRUNK-security/24/])
HBASE-4927 CatalogJanior:SplitParentFirstComparator doesn't sort as
expected, for the last region when the endkey is empty
stack :
Files :
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/CatalogJanitor.java
*
/hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
*
/hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionInfo.java
> CatalogJanior:SplitParentFirstComparator doesn't sort as expected, for the
> last region when the endkey is empty
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4927
> URL: https://issues.apache.org/jira/browse/HBASE-4927
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 0.92.0, 0.94.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Minor
> Fix For: 0.92.0
>
> Attachments:
> 0001-HBASE-4927-CatalogJanior-SplitParentFirstComparator-.patch,
> 0001-HBASE-4927-CatalogJanior-SplitParentFirstComparator_v2.patch,
> hbase-4927-fix-ws.txt
>
>
> When reviewing HBASE-4238 backporting, Jon found this issue.
> What happens if the split points are (empty end key is the last key, empty
> start key is the first key)
> Parent [A,)
> L daughter [A,B),
> R daughter [B,)
> When sorted, we gets to end key comparision which results in this incorrector
> order:
> [A,B), [A,), [B,)
> we wanted:
> [A,), [A,B), [B,)
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