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From "Dustin Cote (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6549) multibyte delimiters with LineRecordReader cause duplicate records
Date Sat, 14 Nov 2015 21:33:10 GMT
Dustin Cote created MAPREDUCE-6549:
--------------------------------------

             Summary: multibyte delimiters with LineRecordReader cause duplicate records
                 Key: MAPREDUCE-6549
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6549
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 2.7.2
            Reporter: Dustin Cote
            Assignee: Dustin Cote


LineRecorderReader currently produces duplicate records under certain scenarios such as:

1) input string: "abc+++def++ghi++" 
delimiter string: "+++" 
test passes with all sizes of the split 
2) input string: "abc++def+++ghi++" 
delimiter string: "+++" 
test fails with a split size of 4 
2) input string: "abc+++def++ghi++" 
delimiter string: "++" 
test fails with a split size of 5 
3) input string "abc+++defg++hij++" 
delimiter string: "++" 
test fails with a split size of 4 
4) input string "abc++def+++ghi++" 
delimiter string: "++" 
test fails with a split size of 9 



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