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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8552) Fix hdfs namenode CLI usage message and its document
Date Sat, 06 Jun 2015 06:12:00 GMT
Xiaoyu Yao created HDFS-8552:
--------------------------------

             Summary: Fix hdfs namenode CLI usage message and its document
                 Key: HDFS-8552
                 URL: https://issues.apache.org/jira/browse/HDFS-8552
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.6.0
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


The usage message from code does not match with the one documented. 
1. "java NameNode" should be "hdfs namenode"
2. Many of options are not documented. 

Usage message from code:
{code}
  private static final String USAGE = "Usage: java NameNode ["
      + StartupOption.BACKUP.getName() + "] | \n\t["
      + StartupOption.CHECKPOINT.getName() + "] | \n\t["
      + StartupOption.FORMAT.getName() + " ["
      + StartupOption.CLUSTERID.getName() + " cid ] ["
      + StartupOption.FORCE.getName() + "] ["
      + StartupOption.NONINTERACTIVE.getName() + "] ] | \n\t["
      + StartupOption.UPGRADE.getName() + 
        " [" + StartupOption.CLUSTERID.getName() + " cid]" +
        " [" + StartupOption.RENAMERESERVED.getName() + "<k-v pairs>] ] | \n\t["
      + StartupOption.UPGRADEONLY.getName() + 
        " [" + StartupOption.CLUSTERID.getName() + " cid]" +
        " [" + StartupOption.RENAMERESERVED.getName() + "<k-v pairs>] ] | \n\t["
      + StartupOption.ROLLBACK.getName() + "] | \n\t["
      + StartupOption.ROLLINGUPGRADE.getName() + " "
      + RollingUpgradeStartupOption.getAllOptionString() + " ] | \n\t["
      + StartupOption.IMPORT.getName() + "] | \n\t["
      + StartupOption.INITIALIZESHAREDEDITS.getName() + "] | \n\t["
      + StartupOption.BOOTSTRAPSTANDBY.getName() + "] | \n\t["
      + StartupOption.RECOVER.getName() + " [ "
      + StartupOption.FORCE.getName() + "] ] | \n\t["
      + StartupOption.METADATAVERSION.getName() + " ] "
      + " ]";
{code}

Usage from document:
hdfs 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 ]



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