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https://issues.apache.org/jira/browse/MAPREDUCE-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840777#comment-13840777
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Vinay commented on MAPREDUCE-5656:
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Thanks Jason for the update.
I think patch is ready to go in. +1
> bzip2 codec can drop records when reading data in splits
> --------------------------------------------------------
>
> Key: MAPREDUCE-5656
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5656
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.0.4-alpha, 0.23.8
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Attachments: HADOOP-9622-2.patch, HADOOP-9622-testcase.patch,
> HADOOP-9622.patch, MAPREDUCE-5656-2.patch, MAPREDUCE-5656.patch,
> blockEndingInCR.txt.bz2, blockEndingInCRThenLF.txt.bz2
>
>
> Bzip2Codec.BZip2CompressionInputStream can cause records to be dropped when
> reading them in splits based on where record delimiters occur relative to
> compression block boundaries.
> Thanks to [~knoguchi] for discovering this problem while working on PIG-3251.
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