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https://issues.apache.org/jira/browse/HDFS-16282?focusedWorklogId=668777&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-668777
]
ASF GitHub Bot logged work on HDFS-16282:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Oct/21 03:46
Start Date: 22/Oct/21 03:46
Worklog Time Spent: 10m
Work Description: cndaimin opened a new pull request #3576:
URL: https://github.com/apache/hadoop/pull/3576
This patch is tested by hdfs debug command:
BEFORE:
```
~ $ 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]
```
AFTER:
```
~ $ 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>]
computeMeta -block <block-file> -out <output-metadata-file>
recoverLease -path <path> [-retries <num-retries>]
verifyEC -file <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]
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 668777)
Remaining Estimate: 0h
Time Spent: 10m
> 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
> 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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