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https://issues.apache.org/jira/browse/HADOOP-9622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687158#comment-13687158
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Nathan Roberts commented on HADOOP-9622:
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Thanks for adding the detailed comment. Well explained!
+1 for the patch.
> bzip2 codec can drop records when reading data in splits
> --------------------------------------------------------
>
> Key: HADOOP-9622
> URL: https://issues.apache.org/jira/browse/HADOOP-9622
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Affects Versions: 2.0.4-alpha, 0.23.8
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Attachments: blockEndingInCRThenLF.txt.bz2, blockEndingInCR.txt.bz2,
> HADOOP-9622-2.patch, HADOOP-9622.patch, HADOOP-9622-testcase.patch
>
>
> 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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