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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6727) Refresh data volumes on DataNode based on configuration changes
Date Thu, 18 Sep 2014 20:31:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Lei (Eddy) Xu updated HDFS-6727:
    Attachment: HDFS-6727.008.patch

[~cmccabe] I've update the patch to address your comments. Would you mind take another look.

> Refresh data volumes on DataNode based on configuration changes
> ---------------------------------------------------------------
>                 Key: HDFS-6727
>                 URL: https://issues.apache.org/jira/browse/HDFS-6727
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.5.0, 2.4.1
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>              Labels: datanode
>         Attachments: HDFS-6727.000.delta-HDFS-6775.txt, HDFS-6727.001.patch, HDFS-6727.002.patch,
HDFS-6727.003.patch, HDFS-6727.004.patch, HDFS-6727.005.patch, HDFS-6727.006.patch, HDFS-6727.006.patch,
HDFS-6727.007.patch, HDFS-6727.008.patch, HDFS-6727.combo.patch, patchFindBugsOutputhadoop-hdfs.txt
> HDFS-1362 requires DataNode to reload configuration file during the runtime, so that
DN can change the data volumes dynamically. This JIRA reuses the reconfiguration framework
introduced by HADOOP-7001 to enable DN to reconfigure at runtime.

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