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https://issues.apache.org/jira/browse/HDFS-6112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938690#comment-13938690
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Aaron T. Myers commented on HDFS-6112:
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Thanks for the review. I considered that as well and concluded that we should
probably just stick with regexes. Regular expressions will be more flexible,
and we also use them in other places in our configuration (e.g.
hadoop.security.auth_to_local) so it's not as if we'll be completely absolving
the need for a cluster operator to understand regular expressions if we were to
change this setting.
> NFS Gateway docs are incorrect for allowed hosts configuration
> --------------------------------------------------------------
>
> Key: HDFS-6112
> URL: https://issues.apache.org/jira/browse/HDFS-6112
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: nfs
> Affects Versions: 2.4.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Priority: Minor
> Attachments: HDFS-6112.patch
>
>
> The NFS gateway export configuration docs say that the machine name
> configuration can be "wildcards" and provides the example
> "{{host*.example.com}}". The term "wildcard" and this example might imply
> typical globbing semantics, but in fact what it actually supports is Java
> regular expressions. I think we should change the docs to make this clearer.
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