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https://issues.apache.org/jira/browse/HDFS-10550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343108#comment-15343108
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Anu Engineer commented on HDFS-10550:
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+1, for the v2 patch. I will commit this shortly.
> DiskBalancer: fix issue of order dependency in iteration in ReportCommand test
> ------------------------------------------------------------------------------
>
> Key: HDFS-10550
> URL: https://issues.apache.org/jira/browse/HDFS-10550
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-10550-HDFS-1312.000.patch,
> HDFS-10550-HDFS-1312.001.patch, HDFS-10550-HDFS-1312.002.patch
>
>
> TestDiskBalancerCommand#testReportNode assumed order of result entries
> returned, however, DiskBalancerDataNode#volumeSets and
> DiskBalancerVolumeSet#volumes have no guarantee on the order since they are
> initialized as HashMap. The test should be fixed by not assuming the order.
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