Jing Zhao created HDFS-3802:
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Summary: StartupOption.name in HdfsServerConstants should be final
Key: HDFS-3802
URL: https://issues.apache.org/jira/browse/HDFS-3802
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Jing Zhao
Priority: Trivial
In HdfsServerConstants, it may be better to define StartupOption.name as final
since it will not and should not be modified after initialization. For example,
in NameNode.java, the printUsage function prints out multiple startup options'
names. The modification/change of the StartupOption.name may cause invalid
usage message. Although right now there is no methods to change/set the value
of StartupOption.name, it is better to add the final keyword to make sure.
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