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https://issues.apache.org/jira/browse/HADOOP-8806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13456004#comment-13456004
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Colin Patrick McCabe commented on HADOOP-8806:
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bq. If this is only about MR jobs, isn't setting LD_LIBRARY_PATH in
mapreduce.admin.user.env enough?
Yes, it is enough. The question is whether we could do anything to make this
easier.
> libhadoop.so: search java.library.path when calling dlopen
> ----------------------------------------------------------
>
> Key: HADOOP-8806
> URL: https://issues.apache.org/jira/browse/HADOOP-8806
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Colin Patrick McCabe
> Priority: Minor
>
> libhadoop calls {{dlopen}} to load {{libsnappy.so}} and {{libz.so}}. These
> libraries can be bundled in the {{$HADOOP_ROOT/lib/native}} directory. For
> example, the {{-Dbundle.snappy}} build option copies {{libsnappy.so}} to this
> directory. However, snappy can't be loaded from this directory unless
> {{LD_LIBRARY_PATH}} is set to include this directory.
> Should we also search {{java.library.path}} when loading these libraries?
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