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https://issues.apache.org/jira/browse/MAPREDUCE-6549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15028144#comment-15028144
]
Hudson commented on MAPREDUCE-6549:
-----------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #1457 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/1457/])
MAPREDUCE-6549. multibyte delimiters with LineRecordReader cause (rkanter: rev
7fd00b3db4b7d73afd41276ba9a06ec06a0e1762)
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/UncompressedSplitLineReader.java
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/LineReader.java
* hadoop-mapreduce-project/CHANGES.txt
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestLineRecordReader.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestLineRecordReader.java
> 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
> Components: mrv1, mrv2
> Affects Versions: 2.7.2
> Reporter: Dustin Cote
> Assignee: Wilfred Spiegelenburg
> Fix For: 2.8.0
>
> Attachments: MAPREDUCE-6549-1.patch, MAPREDUCE-6549-2.patch,
> MAPREDUCE-6549.3.patch
>
>
> 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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