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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8901) GZip and Snappy support may not work without unversioned libraries
Date Tue, 09 Oct 2012 01:04:03 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472019#comment-13472019
] 

Colin Patrick McCabe commented on HADOOP-8901:
----------------------------------------------

Tests are not provided because this is a build change. 
                
> GZip and Snappy support may not work without unversioned libraries
> ------------------------------------------------------------------
>
>                 Key: HADOOP-8901
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8901
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: native
>    Affects Versions: 2.0.3-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HADOOP-8901.001.patch, HADOOP-8901.002.patch
>
>
> Currently, we use {{dlopen}} to open {{libz.so}} and {{libsnappy.so}}, to get Gzip and
Snappy support, respectively.
> However, this is not correct; we should be dlopening {{libsnappy.so.1}} instead.  The
versionless form of the shared library is not commonly installed except by development packages.
 Also, we may run into subtle compatibility problems if a new version of libsnappy comes out.

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