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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6740) FSDataset adds data volumes dynamically
Date Thu, 07 Aug 2014 00:57:15 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6740?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-6740:
--------------------------------

    Attachment: HDFS-6740.001.patch

Thanks [~atm]. I've addressed most of the comments.
The only exception is leaving {{TestFsDatasetImpl.storage}} as private class member, because
we need to change the mocking behavior in {{testAddVolumes()}}.

> FSDataset adds data volumes dynamically
> ---------------------------------------
>
>                 Key: HDFS-6740
>                 URL: https://issues.apache.org/jira/browse/HDFS-6740
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.4.1
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-6740.000.patch, HDFS-6740.001.patch
>
>
> To support volume management in DN (HDFS-1362), it requires FSDatasetImpl to be able
to add volumes dynamically during runtime. 



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