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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8552) Fix hdfs namenode CLI usage message and its document
Date Sun, 07 Jun 2015 03:06:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HDFS-8552:
---------------------------------------
    Status: Patch Available  (was: Open)

> 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: Brahma Reddy Battula
>         Attachments: HDFS-8552.patch
>
>
> 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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