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https://issues.apache.org/jira/browse/MAPREDUCE-5862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14011503#comment-14011503
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Hudson commented on MAPREDUCE-5862:
-----------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #5617 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/5617/])
MAPREDUCE-5862. Line records longer than 2x split size aren't handled
correctly. Contributed by bc Wong (jlowe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1598111)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/pom.xml
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/LineRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/input/LineRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestLineRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestLineRecordReader.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/resources/recordSpanningMultipleSplits.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/resources/recordSpanningMultipleSplits.txt.bz2
> Line records longer than 2x split size aren't handled correctly
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-5862
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5862
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: bc Wong
> Assignee: bc Wong
> Priority: Critical
> Fix For: 3.0.0, 2.5.0
>
> Attachments: 0001-Handle-records-larger-than-2x-split-size.1.patch,
> 0001-Handle-records-larger-than-2x-split-size.patch,
> 0001-Handle-records-larger-than-2x-split-size.patch,
> 0001-MAPREDUCE-5862.-Line-records-longer-than-2x-split-si.patch,
> recordSpanningMultipleSplits.txt.bz2
>
>
> Suppose this split (100-200) is in the middle of a record (90-240):
> {noformat}
> 0 100 200 300
> |---- split ----|---- curr ----|---- split ----|
> <------- record ------->
> 90 240
> {noformat}
>
> Currently, the first split would read the entire record, up to offset 240,
> which is good. But the 2nd split has a bug in producing a phantom record of
> (200, 240).
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