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https://issues.apache.org/jira/browse/HADOOP-7405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13052122#comment-13052122
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Todd Lipcon commented on HADOOP-7405:
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Allen, if you want to write a patch that adds a call like:
boolean isNativeFeatureSupported(long featureCode);
...with a set of enums for various features, I would happily review it.
> libhadoop is all or nothing
> ---------------------------
>
> Key: HADOOP-7405
> URL: https://issues.apache.org/jira/browse/HADOOP-7405
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 0.20.203.0, 0.23.0
> Environment: Everything not Linux
> Reporter: Allen Wittenauer
> Priority: Blocker
> Labels: regression
>
> As a result of a ton of new code in libhadoop being added in 0.20.203/0.22, a
> lot of features that used to work no longer do reliably. The most common
> problem is native compression, but other issues such as Mac OS X's group
> support broke as well. The native code checks need to be refactored such
> that libhadoop.so should report what it supports rather than having the
> Java-side assume that if it loads, it is all supported. This would allow us
> to stub routines until they've been vetted, removing the chances of such
> regressions appearing in the future.
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