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Posted to hdfs-dev@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2018/05/14 18:22:00 UTC
[jira] [Resolved] (HDFS-8536) HDFS debug command is missed from top
level help message
[ 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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