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From "Jonathan Eagles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9622) bzip2 codec can drop records when reading data in splits
Date Wed, 06 Nov 2013 03:48:18 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13814580#comment-13814580
] 

Jonathan Eagles commented on HADOOP-9622:
-----------------------------------------

Looks like this patch is ready to go in as it still applies and the tests still pass. Is there
anything else needed before this can go in?

> 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: HADOOP-9622-2.patch, HADOOP-9622-testcase.patch, HADOOP-9622.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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