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Posted to common-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/22 23:44:39 UTC

[jira] [Resolved] (HADOOP-6069) Remove explicit dynamic loading of libz in native code

     [ https://issues.apache.org/jira/browse/HADOOP-6069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HADOOP-6069.
--------------------------------------

    Resolution: Won't Fix

We now dlopen() snappy, so the pendulum has swung the other way again.  Closing.

> Remove explicit dynamic loading of libz in native code
> ------------------------------------------------------
>
>                 Key: HADOOP-6069
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6069
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hadoop-6069-guts.txt, hadoop-6069.txt
>
>
> The native zlib code currently uses dlopen/dlsym to dynamically load libz. This used to make sense when there was an lzo option (so you could load libhadoop for lzo purposes without requiring libz as well). Now that libhadoop only has zlib as an option, it makes sense to just add it as an ld flag and let it be automatically loaded as a shlib dependency. I also doubt that there are any distros where libz isn't required by the base system.



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