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Date: Mon, 19 May 2008 22:02:55 -0700 (PDT)
From: "Amareshwari Sriramadasu (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-2867) Add a task's cwd to it's
 LD_LIBRARY_PATH
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     [ https://issues.apache.org/jira/browse/HADOOP-2867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amareshwari Sriramadasu updated HADOOP-2867:
--------------------------------------------

    Attachment: patch-2867.txt

Here is a patch adding task's cwd and parents of mapred.cache.localFiles to the LD_LIBRARY_PATH.  The patch is tested with simple c program which loads a shared library.

> Add a task's cwd to it's LD_LIBRARY_PATH
> ----------------------------------------
>
>                 Key: HADOOP-2867
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2867
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.17.0
>            Reporter: Arun C Murthy
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.18.0
>
>         Attachments: patch-2867.txt, patch-2867.txt
>
>
> HADOOP-1660 added the task's cwd to it's java.library.path which means only java task's can take advantage via System.load or System.loadLibrary... we should enhance it to support Hadoop Pipes applications by adding it to the LD_LIBRARY_PATH so they can use dlopen/dlsym etc.

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