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https://issues.apache.org/jira/browse/HDFS-11378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15843733#comment-15843733
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Hudson commented on HDFS-11378:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11187 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11187/])
HDFS-11378. Verify multiple DataNodes can be decommissioned/maintenance
(mingma: rev 312b36d113d83640b92c62fdd91ede74bd04c00f)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/AdminStatesBaseTest.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDecommission.java
> Verify multiple DataNodes can be decommissioned/maintenance at the same time
> ----------------------------------------------------------------------------
>
> Key: HDFS-11378
> URL: https://issues.apache.org/jira/browse/HDFS-11378
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: HDFS-11378.01.patch
>
>
> DecommissionManager is capable of transitioning multiple DataNodes to
> Decommission/Maintenance states. Current tests under TestDecommission and
> TestMaintenanceState only request for one DataNode for
> Decommission/Maintenance. Better if we can simulate real world cases whereby
> multiple DataNodes can be taken out of service and verify the resulting block
> replication factor for the files.
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