Xiaobing Zhou created HDFS-10577:
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Summary: Support building MiniDFSCluster from JSON
Key: HDFS-10577
URL: https://issues.apache.org/jira/browse/HDFS-10577
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Xiaobing Zhou
Assignee: Xiaobing Zhou
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
MiniDFSCluster from dumped JSON file to make writing tests easy.
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