Xiaoyu Yao created HDFS-8536:
--------------------------------
Summary: 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: Xiaoyu Yao
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}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
