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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7035) Make adding volume an atomic operation.
Date Thu, 23 Oct 2014 21:40:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-7035:
--------------------------------
    Description: It refactors {{DataStorage}} and {{BlockPoolSliceStorage}} to reduce the
duplicate code and supports atomic adding volume operations. Also it parallels loading data
volume operation: each thread loads one volume.  (was: It refactors {{DataStorage}} and {{BlockPoolSliceStorage}}
to reduce the duplicate code and supports atomic adding volume operations. )

> Make adding volume an atomic operation.
> ---------------------------------------
>
>                 Key: HDFS-7035
>                 URL: https://issues.apache.org/jira/browse/HDFS-7035
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: 2.5.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-7035.000.combo.patch, HDFS-7035.000.patch, HDFS-7035.001.combo.patch,
HDFS-7035.001.patch, HDFS-7035.002.patch, HDFS-7035.003.patch, HDFS-7035.003.patch, HDFS-7035.004.patch,
HDFS-7035.005.patch
>
>
> It refactors {{DataStorage}} and {{BlockPoolSliceStorage}} to reduce the duplicate code
and supports atomic adding volume operations. Also it parallels loading data volume operation:
each thread loads one volume.



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