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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6056) Clean up NFS config settings
Date Tue, 27 May 2014 22:56:01 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14010460#comment-14010460

Aaron T. Myers commented on HDFS-6056:

bq. OK. Let's further simplify the config for HDFS. Other NFS implementations can add their
own prefix if they need.

Seems fine to me. Consistency of the HDFS configs/docs is really all I'm concerned with.

I am actually not very concerned about the deprecation of keys in Common hadoop-nfs. The reason
is that, 1) most of them are hdfs-nfs related, 2) the rest of them are all hidden keys and
used for debug purpose except "dfs.nfs.exports.allowed.hosts". 
Even for "dfs.nfs.exports.allowed.hosts", we can add the deprecation declaration into Configuration#defaultDeprecations
and remove it from Configuration after a couple releases. I will update the patch if this
sounds ok to you.

Sure, that sounds fine. Not the prettiest solution in the world, but certainly seems like
it should work.

> Clean up NFS config settings
> ----------------------------
>                 Key: HDFS-6056
>                 URL: https://issues.apache.org/jira/browse/HDFS-6056
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.3.0
>            Reporter: Aaron T. Myers
>            Assignee: Brandon Li
>         Attachments: HDFS-6056.001.patch, HDFS-6056.002.patch, HDFS-6056.003.patch, HDFS-6056.004.patch,
HDFS-6056.005.patch, HDFS-6056.006.patch, HDFS-6056.007.patch, HDFS-6056.008.patch
> As discussed on HDFS-6050, there's a few opportunities to improve the config settings
related to NFS. This JIRA is to implement those changes, which include: moving hdfs-nfs related
properties into hadoop-hdfs-nfs project, and replacing 'nfs3' with 'nfs' in the property names.

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