Ding Haifeng created HBASE-8865:
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Summary: 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
Affects Versions: 0.94.8
Environment: Linux
Reporter: Ding Haifeng
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 "\x9F" , it works as expected and split at exactly the key specified.
* If there are any bytes between "\xA0" 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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