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From "Yu Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9863) Snappy compression in branch1 cannot work on Big-Endian 64 bit platform w/o backporting HADOOP-8686
Date Sun, 11 Aug 2013 18:34:47 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yu Li updated HADOOP-9863:
--------------------------

    Summary: Snappy compression in branch1 cannot work on Big-Endian 64 bit platform w/o backporting
HADOOP-8686  (was: Snappy compression cannot work on Big-Endian 64 bit platform w/o backporting
HADOOP-8686)
    
> Snappy compression in branch1 cannot work on Big-Endian 64 bit platform w/o backporting
HADOOP-8686
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9863
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9863
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: native
>    Affects Versions: 1.1.1, 1.1.2, 1.2.1
>            Reporter: Yu Li
>            Assignee: Yu Li
>              Labels: native, ppc64, snappy
>         Attachments: HADOOP-9863.patch
>
>
> w/o changes made in HADOOP-8686 on SnappyCompressor.c, snappy compression in branch-1
hadoop on big endian 64 bit platform (ppc64 for example) will generate incorrect .snappy (almost-empty)
file because of type casting from size_t to jint. Will include more detailed analysis in comments.

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