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https://issues.apache.org/jira/browse/HDFS-10577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaobing Zhou updated HDFS-10577:
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Issue Type: Sub-task (was: Improvement)
Parent: HDFS-10576
> Support building imbalanced MiniDFSCluster from JSON
> ----------------------------------------------------
>
> Key: HDFS-10577
> URL: https://issues.apache.org/jira/browse/HDFS-10577
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Fix For: 3.0.0-alpha1
>
>
> To build an imbalanced MiniDFSCluster, there are much work to do (e.g.
> TestDiskBalancer#testDiskBalancerEndToEnd). It's even more given tens of data
> nodes are built, on the other hand, Diskbalancer data model can easily dump
> and build any kinds of imbalanced cluster (e.g.
> data-cluster-64node-3disk.json used by TestDiskBalancerCommand#setUp). This
> proposes to support building imbalanced MiniDFSCluster from dumped JSON file
> to make writing tests easy.
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