Mingliang Liu created HDFS-9846:
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Summary: Make DelegationTokenFetcher a Tool
Key: HDFS-9846
URL: https://issues.apache.org/jira/browse/HDFS-9846
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Mingliang Liu
Assignee: Mingliang Liu
Currently the {{org.apache.hadoop.hdfs.tools.DelegationTokenFetcher}} is not
implementing the {{Tool}} interface, while it should.
This jira is to track the effort of refactoring the code to implement the
{{Tool}} interface. The main benefits are unified generic option parsing,
modifying the configurations, and conjunction with {{ToolRunner}}.
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