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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13944) Prefix_Tree seeks to null if the seeked Cell is greater than the last key in the file
Date Mon, 22 Jun 2015 07:26:00 GMT
ramkrishna.s.vasudevan created HBASE-13944:
----------------------------------------------

             Summary: Prefix_Tree seeks to null if the seeked Cell is greater than the last
key in the file
                 Key: HBASE-13944
                 URL: https://issues.apache.org/jira/browse/HBASE-13944
             Project: HBase
          Issue Type: Bug
          Components: prefixtree, Scanners
    Affects Versions: 1.1.0.1, 1.0.1.1, 0.98.13, 1.1.0, 1.0.1, 1.0.0
            Reporter: ramkrishna.s.vasudevan
            Assignee: ramkrishna.s.vasudevan
            Priority: Minor
             Fix For: 2.0.0


When using any DBE other than Prefix_Tree when the internal scanners seek to a key greater
than the last key in the file, when we do scanner.getKeyValue() we get the last key in the
file, whereas PrefixTree seeks to null.  This is a behaviour change.  May be in the actual
scan case we may not end up in this scenario, need to check with a testcase.  But the test
in TestSeekTo.testSeekTo() has a clear illustration of this problem. 
Will take this up after the current activities.



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