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Posted to dev@hbase.apache.org by "chunhui shen (JIRA)" <ji...@apache.org> on 2013/04/10 11:52:15 UTC

[jira] [Created] (HBASE-8317) Seek returns wrong result with PREFIX_TREE Encoding

chunhui shen created HBASE-8317:
-----------------------------------

             Summary: Seek returns wrong result with PREFIX_TREE Encoding
                 Key: HBASE-8317
                 URL: https://issues.apache.org/jira/browse/HBASE-8317
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.95.0
            Reporter: chunhui shen
            Assignee: chunhui shen


TestPrefixTreeEncoding#testSeekWithFixedData from the patch could reproduce the bug.

An example of the bug case:
Suppose the following rows:

1.row3/c1:q1/
2.row3/c1:q2/
3.row3/c1:q3/
4.row4/c1:q1/
5.row4/c1:q2/

After seeking the row 'row30', the expected peek KV is row4/c1:q1/, but actual is row3/c1:q1/.


I just fix this bug case in the patch, 

Maybe we can do more for other potential problems if anyone is familiar with the code of PREFIX_TREE



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