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https://issues.apache.org/jira/browse/HDFS-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13416094#comment-13416094
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Hadoop QA commented on HDFS-3497:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12536793/HDFS-3497-v3.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these unit tests in
hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.hdfs.TestDatanodeBlockScanner
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/2843//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2843//console
This message is automatically generated.
> Update Balancer policy with NodeGroup layer
> -------------------------------------------
>
> Key: HDFS-3497
> URL: https://issues.apache.org/jira/browse/HDFS-3497
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: HDFS-3497-v2.patch, HDFS-3497-v3.patch, HDFS-3497.patch
>
>
> 1. Make sure Network Topology and BlockPlacementPolicy check in balancer is
> compatible with new one with adding NodeGroup layer.
> 2. Update balancer policy for performance optimization with Node Group -
> "choose the target and source node on the same node group for balancing as
> the first priority".
> 3. Make sure balancing policy will not eliminate reliability on environment
> with nodegroup (virtualization) that verify good target on NodeGroup
> relationship. (This part of work is separated out and tracked in HDFS-3496)
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