Konstantin Shvachko created HDFS-15004:
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Summary: Refactor TestBalancer for faster execution.
Key: HDFS-15004
URL: https://issues.apache.org/jira/browse/HDFS-15004
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs, test
Affects Versions: 2.10.0
Reporter: Konstantin Shvachko
{{TestBalancer}} is a big test by itself, it is also a part of many other
tests. Running these tests involves spinning of {{MiniDFSCluter}} and shutting
it down for every test case, which is inefficient. Many of the test cases can
run using the same instance of {{MiniDFSCluter}}, but not all of them. Would be
good to refactor the tests to optimize their running time.
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