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https://issues.apache.org/jira/browse/HADOOP-2867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-2867:
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Attachment: patch-2867.txt
Here is patch after incorporating review comments.
bq. @@ -170,6 +175,8 @@ There is no need to add the native libs that have been
softlinked to the LD_LIBRARY_PATH, they are already being added to the
'java.library.path' property.
On second thought, adding the directories that may have stuff that is not
native libs at all, kind of does not make senese to add them blindly. Since the
users can provide symlinks in the cwd for the cached libraries. This is not
necessary. I removed the code which adds parent directories of all
mapred.cache.localFiles
bq. You should get the current value of LD_LIBRARY_PATH (actually to do it
properly you should check if you are in windows or unix and get the proper env
variable) and append to it the current working dir.
LD_LIBRARY_PATH is honored by Cygwin, though not by windows. And we support
only Cygwin. So, we dont need a check for windows explicitly for
LD_LIBRARY_PATH environment variable.
> 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, 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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