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https://issues.apache.org/jira/browse/HDFS-4261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543259#comment-13543259
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Chris Nauroth commented on HDFS-4261:
-------------------------------------
I just tried testing the v7 patch applied to current branch-trunk-win. I
couldn't repro on Mac, but I'm still seeing the infinite loop in about 50% of
test runs on Windows. The thread dumps look similar to last time: stuck in
{{Balancer#waitForMoveCompletion}}. (The line numbers are different since
Balancer.java has changed since last time.)
> TestBalancerWithNodeGroup times out
> -----------------------------------
>
> Key: HDFS-4261
> URL: https://issues.apache.org/jira/browse/HDFS-4261
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer
> Affects Versions: 1.0.4, 1.1.1, 2.0.2-alpha
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Junping Du
> Fix For: 3.0.0
>
> Attachments: HDFS-4261.patch, HDFS-4261-v2.patch, HDFS-4261-v3.patch,
> HDFS-4261-v4.patch, HDFS-4261-v5.patch, HDFS-4261-v6.patch,
> HDFS-4261-v7.patch, jstack-mac-18567, jstack-win-5488,
> org.apache.hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup-output.txt.mac,
>
> org.apache.hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup-output.txt.win
>
>
> When I manually ran TestBalancerWithNodeGroup, it always timed out in my
> machine. Looking at the Jerkins report [build
> #3573|https://builds.apache.org/job/PreCommit-HDFS-Build/3573//testReport/org.apache.hadoop.hdfs.server.balancer/],
> TestBalancerWithNodeGroup somehow was skipped so that the problem was not
> detected.
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