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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6808) Add command line option to ask DataNode reload configuration.
Date Fri, 12 Sep 2014 01:00:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-6808:
--------------------------------
    Attachment: HDFS-6808.003.patch

> Add command line option to ask DataNode reload configuration.
> -------------------------------------------------------------
>
>                 Key: HDFS-6808
>                 URL: https://issues.apache.org/jira/browse/HDFS-6808
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.5.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-6808.000.combo.patch, HDFS-6808.000.patch, HDFS-6808.001.combo.patch,
HDFS-6808.001.patch, HDFS-6808.002.combo.patch, HDFS-6808.002.patch, HDFS-6808.003.patch
>
>
> The workflow of dynamically changing data volumes on DataNode is
> # Users manually changed {{dfs.datanode.data.dir}} in the configuration file
> # User use command line to notify DN to reload configuration and updates its volumes.

> This work adds command line support to notify DN to reload configuration.



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