Details
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Improvement
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Status: Open
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Minor
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Resolution: Unresolved
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3.0.0-beta1
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None
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None
Description
We should always get the help message whenever the process is started or not.
But now,
when datanode starts, we get an error message:
hadoop# bin/hdfs datanode -h datanode is running as process 1701. Stop it first.
when datanode stops, we get what we want:
hadoop# bin/hdfs --daemon stop datanode hadoop# bin/hdfs datanode -h Usage: hdfs datanode [-regular | -rollback | -rollingupgrade rollback ] -regular : Normal DataNode startup (default). ...
Attachments
Attachments
Issue Links
- is duplicated by
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HDFS-12717 'hdfs namenode -help' command will not work when Namenode is Running
- Open