daimin created HDFS-16282:
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Summary: Duplicate generic usage information to hdfs debug command
Key: HDFS-16282
URL: https://issues.apache.org/jira/browse/HDFS-16282
Project: Hadoop HDFS
Issue Type: Improvement
Components: tools
Affects Versions: 3.3.1, 3.3.0
Reporter: daimin
Assignee: daimin
When we type 'hdfs debug' in console, the generic usage information will be
repeated 4 times and the target command like 'verifyMeta' or 'recoverLease'
seems hard to find.
{quote}~ $ hdfs debug
Usage: hdfs debug <command> [arguments]
These commands are for advanced users only.
Incorrect usages may result in data loss. Use at your own risk.
verifyMeta -meta <metadata-file> [-block <block-file>]
Generic options supported are:
-conf <configuration file> specify an application configuration file
-D <property=value> define a value for a given property
-fs <file:///|hdfs://namenode:port> specify default filesystem URL to use,
overrides 'fs.defaultFS' property from configurations.
-jt <local|resourcemanager:port> specify a ResourceManager
-files <file1,...> specify a comma-separated list of files to be copied to the
map reduce cluster
-libjars <jar1,...> specify a comma-separated list of jar files to be included
in the classpath
-archives <archive1,...> specify a comma-separated list of archives to be
unarchived on the compute machines
The general command line syntax is:
command [genericOptions] [commandOptions]
computeMeta -block <block-file> -out <output-metadata-file>
Generic options supported are:
-conf <configuration file> specify an application configuration file
-D <property=value> define a value for a given property
-fs <file:///|hdfs://namenode:port> specify default filesystem URL to use,
overrides 'fs.defaultFS' property from configurations.
-jt <local|resourcemanager:port> specify a ResourceManager
-files <file1,...> specify a comma-separated list of files to be copied to the
map reduce cluster
-libjars <jar1,...> specify a comma-separated list of jar files to be included
in the classpath
-archives <archive1,...> specify a comma-separated list of archives to be
unarchived on the compute machines
The general command line syntax is:
command [genericOptions] [commandOptions]
recoverLease -path <path> [-retries <num-retries>]
Generic options supported are:
-conf <configuration file> specify an application configuration file
-D <property=value> define a value for a given property
-fs <file:///|hdfs://namenode:port> specify default filesystem URL to use,
overrides 'fs.defaultFS' property from configurations.
-jt <local|resourcemanager:port> specify a ResourceManager
-files <file1,...> specify a comma-separated list of files to be copied to the
map reduce cluster
-libjars <jar1,...> specify a comma-separated list of jar files to be included
in the classpath
-archives <archive1,...> specify a comma-separated list of archives to be
unarchived on the compute machines
The general command line syntax is:
command [genericOptions] [commandOptions]
Generic options supported are:
-conf <configuration file> specify an application configuration file
-D <property=value> define a value for a given property
-fs <file:///|hdfs://namenode:port> specify default filesystem URL to use,
overrides 'fs.defaultFS' property from configurations.
-jt <local|resourcemanager:port> specify a ResourceManager
-files <file1,...> specify a comma-separated list of files to be copied to the
map reduce cluster
-libjars <jar1,...> specify a comma-separated list of jar files to be included
in the classpath
-archives <archive1,...> specify a comma-separated list of archives to be
unarchived on the compute machines
The general command line syntax is:
command [genericOptions] [commandOptions]
{quote}
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