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https://issues.apache.org/jira/browse/HDFS-6983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated HDFS-6983:
-----------------------------------
Target Version/s: 2.6.0 (was: 2.5.1)
Targeting this to 2.6, since this is only a test failure.
> TestBalancer#testExitZeroOnSuccess fails intermittently
> -------------------------------------------------------
>
> Key: HDFS-6983
> URL: https://issues.apache.org/jira/browse/HDFS-6983
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.5.1
> Reporter: Mit Desai
>
> TestBalancer#testExitZeroOnSuccess fails intermittently on branch-2. And
> probably fails on trunk too.
> The test fails 1 in 20 times when I ran it in a loop. Here is the how it
> fails.
> {noformat}
> org.apache.hadoop.hdfs.server.balancer.TestBalancer
> testExitZeroOnSuccess(org.apache.hadoop.hdfs.server.balancer.TestBalancer)
> Time elapsed: 53.965 sec <<< ERROR!
> java.util.concurrent.TimeoutException: Rebalancing expected avg utilization
> to become 0.2, but on datanode 127.0.0.1:35502 it remains at 0.08 after more
> than 40000 msec.
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.waitForBalancer(TestBalancer.java:321)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.runBalancerCli(TestBalancer.java:632)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:549)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:437)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.oneNodeTest(TestBalancer.java:645)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.testExitZeroOnSuccess(TestBalancer.java:845)
> Results :
> Tests in error:
>
> TestBalancer.testExitZeroOnSuccess:845->oneNodeTest:645->doTest:437->doTest:549->runBalancerCli:632->waitForBalancer:321
> Timeout
> {noformat}
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