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https://issues.apache.org/jira/browse/HDFS-6586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040625#comment-14040625
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Binglin Chang commented on HDFS-6586:
-------------------------------------
I updated the patch in HDSF-6506 to fix the bug, close this jira as duplicate.
Thanks for reporting this, Ted.
> TestBalancer#testExitZeroOnSuccess sometimes fails in trunk
> -----------------------------------------------------------
>
> Key: HDFS-6586
> URL: https://issues.apache.org/jira/browse/HDFS-6586
> Project: Hadoop HDFS
> Issue Type: Test
> Reporter: Ted Yu
> Priority: Minor
>
> From
> https://builds.apache.org/job/Hadoop-Hdfs-trunk/1782/testReport/org.apache.hadoop.hdfs.server.balancer/TestBalancer/testExitZeroOnSuccess/
> :
> {code}
> Stacktrace
> java.util.concurrent.TimeoutException: Rebalancing expected avg utilization
> to become 0.2, but on datanode 127.0.0.1:49048 it remains at 0.08 after more
> than 40000 msec.
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.waitForBalancer(TestBalancer.java:284)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.runBalancerCli(TestBalancer.java:392)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:357)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.oneNodeTest(TestBalancer.java:398)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.testExitZeroOnSuccess(TestBalancer.java:550)
> {code}
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