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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7035) Make adding a new data directory to the DataNode an atomic operation and improve error handling
Date Fri, 31 Oct 2014 15:15:37 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191916#comment-14191916
] 

Hudson commented on HDFS-7035:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1943 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1943/])
HDFS-7035. Make adding a new data directory to the DataNode an atomic operation and improve
error handling (Lei Xu via Colin P. McCabe) (cmccabe: rev a9331fe9b071fdcdae0c6c747d7b6b306142e671)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestFsDatasetImpl.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeHotSwapVolumes.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataStorage.java
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/SimulatedFSDataset.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Storage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/FsDatasetSpi.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockPoolSliceStorage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataStorage.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/StorageInfo.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java


> Make adding a new data directory to the DataNode an atomic operation and improve error
handling
> -----------------------------------------------------------------------------------------------
>
>                 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
>             Fix For: 2.7.0
>
>         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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