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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6835) Archival Storage: Add a new API to set storage policy
Date Fri, 19 Sep 2014 01:08:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139823#comment-14139823
] 

Arpit Agarwal commented on HDFS-6835:
-------------------------------------

Hi [~szetszwo], what do you think of making this API available to non-administrators since
HDFS-6847 added support for directory level storage policies.

The use case is e.g. a MapReduce library could set storage policy on an output directory before
launching jobs. Thanks.

> Archival Storage: Add a new API to set storage policy
> -----------------------------------------------------
>
>                 Key: HDFS-6835
>                 URL: https://issues.apache.org/jira/browse/HDFS-6835
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client, namenode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Jing Zhao
>         Attachments: HDFS-6835.000.patch, HDFS-6835.001.patch
>
>
> The new data migration tool proposed HDFS-6801 will determine if the storage policy of
files needs to be updated.  The tool needs a new API to set storage policy.



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