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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6112) NFS Gateway docs are incorrect for allowed hosts configuration
Date Tue, 18 Mar 2014 02:12:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938690#comment-13938690
] 

Aaron T. Myers commented on HDFS-6112:
--------------------------------------

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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