Mingliang Liu created HDFS-11008:
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Summary: Add unit test for parsing "-source" parameter in Balancer
tool
Key: HDFS-11008
URL: https://issues.apache.org/jira/browse/HDFS-11008
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Mingliang Liu
Assignee: Mingliang Liu
[HDFS-8826] added an option to specify the source node list so that balancer
only selects blocks to move from those nodes. This is very efficient in some
cases.
The unit test of {{-source}} option parsing is missing, for both valid and
invalid cases. This JIRA is to track the effort of adding unit test for that.
In fact, we can refactor the existing code by replacing code that manually
creates {{BalancerParameters}} with new code that explores the
{{Balancer$Cli#parse()}}.
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