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https://issues.apache.org/jira/browse/HDFS-6159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13988552#comment-13988552
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Junping Du commented on HDFS-6159:
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Sorry for just notice this JIRA as it seems more frequently the test get failed
recently.
bq. By running this unit test 3 times, The execution time of running
TestBalancerWithNodeGroup.testBalancerWithNodeGroup is 29 seconds (timeout is
40s) on my laptop.
Usually for this test, we run 50+ or more iterations to make sure the unit test
can pass without failure. Please refer: HDFS-5580 or other JIRAs.
> TestBalancerWithNodeGroup.testBalancerWithNodeGroup fails if there is block
> missing after balancer success
> ----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-6159
> URL: https://issues.apache.org/jira/browse/HDFS-6159
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 2.3.0
> Reporter: Chen He
> Assignee: Chen He
> Fix For: 3.0.0, 2.5.0
>
> Attachments: HDFS-6159-v2.patch, HDFS-6159-v2.patch, HDFS-6159.patch,
> logs.txt
>
>
> The TestBalancerWithNodeGroup.testBalancerWithNodeGroup will report negative
> false failure if there is(are) data block(s) losing after balancer
> successfuly finishes.
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