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https://issues.apache.org/jira/browse/HDFS-16282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDFS-16282:
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    Labels: pull-request-available  (was: )

> 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: 3.3.0, 3.3.1
>            Reporter: daimin
>            Assignee: daimin
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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