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https://issues.apache.org/jira/browse/HBASE-8865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15824384#comment-15824384
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Wellington Chevreuil commented on HBASE-8865:
---------------------------------------------
I believe this issue was originally due wrong conversion from ruby bytes to
java bytes. This would already be sorted by the changes introduced on
HBASE-14767.
> HBase shell split command acts incorrectly with hex split keys.
> ---------------------------------------------------------------
>
> Key: HBASE-8865
> URL: https://issues.apache.org/jira/browse/HBASE-8865
> Project: HBase
> Issue Type: Bug
> Components: shell, Usability
> Affects Versions: 0.94.8
> Environment: Linux
> Reporter: Ding Haifeng
> Attachments: 8865.txt
>
>
> When I tried to do a manual region split from HBase shell, I found that split
> command acts incorrectly with hex split keys.
> Here is an example.
> I execute hbase(main):003:0> split 'tsdb', "\x00\x00\xC3" .
> While I expect it to split at the 3-byte key "\x00\x00\xC3" , it actually
> split at a 5-byte key "\x00\x00\xEF\xBF\xBD".
> I test with more split keys and find some patterns:
> * If the all bytes in the split key represented in hexadecimal are between
> "\x00" and "\x7F" , it works as expected and split at exactly the key
> specified.
> * If there are any bytes between "\x80" and "xFF", it works incorrectly. No
> matter the byte is, it is interpreted as "\xEF\xBF\xBD". Here is another
> example. Specifying split key "\x00\xA0\x00\xB0" actually splits at
> "\x00\xEF\xBF\xBD\x00\xEF\xBF\xBD".
> I'm running Hbase 0.94.8, r1485407, both server-side and client-side.
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