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Posted to hdfs-dev@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2014/03/31 22:04:15 UTC

[jira] [Resolved] (HDFS-241) ch{mod,own,grp} -R to do recursion at the name node

     [ https://issues.apache.org/jira/browse/HDFS-241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Nauroth resolved HDFS-241.
--------------------------------

    Resolution: Won't Fix

I'm going to close this.  The idea of doing recursive operations on the server side has come up in discussion on a few other things recently.  The consensus is that we're actually reliant on the client side to drive tree traversal as a form of RPC throttling.  (Server-side tree traversal would cause an individual client to consume an RPC handler thread in the NameNode for a longer period of time.)  There is also the issue of cross-filesystem symlinks, which require resolution on the client side in case there is a client-side mount table configured or a symlink pointing to a different cluster.

> ch{mod,own,grp} -R to do recursion at the name node
> ---------------------------------------------------
>
>                 Key: HDFS-241
>                 URL: https://issues.apache.org/jira/browse/HDFS-241
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Robert Chansler
>
> Performance. No need to maintain {{distch}}.



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