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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7035) Make adding volume an atomic operation.
Date Fri, 31 Oct 2014 00:20:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191092#comment-14191092

Lei (Eddy) Xu commented on HDFS-7035:

Thanks for your +1, [~cmccabe].

The failure is a process killed by JVM, which seems not related to this patch.

> 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, HDFS-7035.007.patch, HDFS-7035.008.patch, HDFS-7035.009.patch, HDFS-7035.010.patch,
HDFS-7035.010.patch, HDFS-7035.011.patch, HDFS-7035.012.patch, HDFS-7035.013.patch, HDFS-7035.014.patch,
HDFS-7035.015.patch, HDFS-7035.016.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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