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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-8536) HDFS debug command is missed from top level help message
Date Mon, 14 May 2018 18:22:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Anu Engineer resolved HDFS-8536.
    Resolution: Not A Problem

> HDFS debug command is missed from top level help message
> --------------------------------------------------------
>                 Key: HDFS-8536
>                 URL: https://issues.apache.org/jira/browse/HDFS-8536
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 2.7.0
>            Reporter: Xiaoyu Yao
>            Assignee: Anu Engineer
>            Priority: Minor
> HDFS top level help message missed debug command. This JIRA is opened to add it to hdfs
top level command help. 
> {code}
> HW11217:hadoop xyao$ hdfs
> Usage: hdfs [--config confdir] [--daemon (start|stop|status)]
>            [--loglevel loglevel] COMMAND
>        where COMMAND is one of:
>   balancer             run a cluster balancing utility
>   cacheadmin           configure the HDFS cache
>   classpath            prints the class path needed to get the
>                        Hadoop jar and the required libraries
>   crypto               configure HDFS encryption zones
>   datanode             run a DFS datanode
>   dfs                  run a filesystem command on the file system
>   dfsadmin             run a DFS admin client
>   fetchdt              fetch a delegation token from the NameNode
>   fsck                 run a DFS filesystem checking utility
>   getconf              get config values from configuration
>   groups               get the groups which users belong to
>   haadmin              run a DFS HA admin client
>   jmxget               get JMX exported values from NameNode or DataNode.
>   journalnode          run the DFS journalnode
>   lsSnapshottableDir   list all snapshottable dirs owned by the current user
>                                Use -help to see options
>   mover                run a utility to move block replicas across
>                        storage types
>   namenode             run the DFS namenode
>                                Use -format to initialize the DFS filesystem
>   nfs3                 run an NFS version 3 gateway
>   oev                  apply the offline edits viewer to an edits file
>   oiv                  apply the offline fsimage viewer to an fsimage
>   oiv_legacy           apply the offline fsimage viewer to a legacy fsimage
>   portmap              run a portmap service
>   secondarynamenode    run the DFS secondary namenode
>   snapshotDiff         diff two snapshots of a directory or diff the
>                        current directory contents with a snapshot
>   storagepolicies      list/get/set block storage policies
>   version              print the version
>   zkfc                 run the ZK Failover Controller daemon
> Most commands print help when invoked w/o parameters.
> {code}
> {code}
> HW11217:hadoop xyao$ hdfs debug
> Usage: hdfs debug <command> [arguments]
> verify [-meta <metadata-file>] [-block <block-file>]
> recoverLease [-path <path>] [-retries <num-retries>]
> {code}

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