Akira AJISAKA created HDFS-6832:
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Summary: Fix the usage of 'hdfs namenode' command
Key: HDFS-6832
URL: https://issues.apache.org/jira/browse/HDFS-6832
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.4.1
Reporter: Akira AJISAKA
Priority: Minor
{code}
[root@trunk ~]# hdfs namenode -help
Usage: java NameNode [-backup] |
[-checkpoint] |
[-format [-clusterid cid ] [-force] [-nonInteractive] ] |
[-upgrade [-clusterid cid] [-renameReserved<k-v pairs>] ] |
[-upgradeOnly [-clusterid cid] [-renameReserved<k-v pairs>] ] |
[-rollback] |
[-rollingUpgrade <downgrade|rollback> ] |
[-finalize] |
[-importCheckpoint] |
[-initializeSharedEdits] |
[-bootstrapStandby] |
[-recover [ -force] ] |
[-metadataVersion ] ]
{code}
There're some issues in the usage to be fixed.
# "Usage: java NameNode" should be "Usage: hdfs namenode"
# -rollingUpgrade started option should be added
# The last ']' should be removed.
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