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azdata bdc hdfs

  • Članak

Applies to: Azure Data CLI (azdata)

The following article provides reference for the sql commands in the azdata tool. For more information about other azdata commands, see azdata reference

Commands

Command Description
azdata bdc hdfs key Manage Hadoop encryption zone keys.
azdata bdc hdfs status Hdfs service status commands.
azdata bdc hdfs shell The HDFS shell is a simple interactive command shell for HDFS file system.
azdata bdc hdfs ls List the status of the given file or directory.
azdata bdc hdfs exists Determine if a file or directory exists. Returns True if exists and False otherwise.
azdata bdc hdfs mkdir Create a directory at the specified path.
azdata bdc hdfs mv Move the specified file or path to the specified location.
azdata bdc hdfs create Create the text file at the specified location. Simple text content can be added via data parameter.
azdata bdc hdfs cat Read content of a file. Offset and length in bytes are optional parameters.
azdata bdc hdfs rm Remove a file or directory.
azdata bdc hdfs rmr Recursively remove a file or directory.
azdata bdc hdfs chmod Change the permission on the specified file or directory.
azdata bdc hdfs chown Change the owner or group of the specified file.
azdata bdc hdfs cp Copy a file or directory between the local machine and HDFS.
azdata bdc hdfs mount Manage mounting of remote stores in HDFS.
azdata bdc hdfs settings BDC settings commands for hdfs service.
azdata bdc hdfs encryption-zone Manage encryption zones in HDFS.

azdata bdc hdfs shell

The HDFS shell is a simple interactive command shell for HDFS file system.

Bash 
azdata bdc hdfs shell

Examples

Launch the shell.

Bash 
azdata bdc hdfs shell

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs ls

List the status of the given file or directory.

Bash 
azdata bdc hdfs ls --path -p

Examples

List Status

Bash 
azdata bdc hdfs ls --path "tmp/"

Required Parameters

--path -p

The path to list status.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs exists

Determine if a file or directory exists. Returns True if exists and False otherwise.

Bash 
azdata bdc hdfs exists --path -p

Examples

Check for file or directory existence.

Bash 
azdata bdc hdfs exists --path "tmp/"

Required Parameters

--path -p

Path to check for existence.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs mkdir

Create a directory at the specified path.

Bash 
azdata bdc hdfs mkdir --path -p

Examples

Make directory.

Bash 
azdata bdc hdfs mkdir --path "tmp/"

Required Parameters

--path -p

Name of the directory to create.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs mv

Move the specified file or path to the specified location.

Bash 
azdata bdc hdfs mv --source-path -s 
                   --target-path -t

Examples

Move file or directory.

Bash 
azdata bdc hdfs mv --source-path "tmp/" --target-path "dest/"

Required Parameters

--source-path -s

The directory to move.

--target-path -t

The location to move to.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs create

Create the text file at the specified location. Simple text content can be added via data parameter.

Bash 
azdata bdc hdfs create --path -p 
                       --data -d

Examples

Create file.

Bash 
azdata bdc hdfs create --path "tmp/test.txt" --data "This is a test."

Required Parameters

--path -p

Name of the file to create.

--data -d

Content of the file. Meant for simple text content.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs cat

Read content of a file. Offset and length in bytes are optional parameters.

Bash 
azdata bdc hdfs cat --path -p 
                    --offset  
                    
--length -l

Examples

Read file.

Bash 
azdata bdc hdfs cat --path "tmp/test.txt"

Required Parameters

--path -p

Name of the file to read.

--offset

Number of bytes offset within the file to read.

--length -l

Length of the data to read.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs rm

Remove a file or directory.

Bash 
azdata bdc hdfs rm --path -p

Examples

Remove a file or directory.

Bash 
azdata bdc hdfs rm --path "tmp/"

Required Parameters

--path -p

Name of the file to remove.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs rmr

Recursively remove a file or directory.

Bash 
azdata bdc hdfs rmr --path -p

Examples

Recursive remove directory.

Bash 
azdata bdc hdfs rmr --path "tmp/"

Required Parameters

--path -p

Name of the file to remove recursively.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs chmod

Change the permission on the specified file or directory.

Bash 
azdata bdc hdfs chmod --path -p 
                      --permission

Examples

Change file or directory permission.

Bash 
azdata bdc hdfs chmod --permission 775 --path "tmp/test.txt"

Required Parameters

--path -p

Name of the file or directory to set permissions on.

--permission

Permission octets to set. Example "775".

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs chown

Change the owner or group of the specified file.

Bash 
azdata bdc hdfs chown --path -p 
                      --owner  
                      
--group -g

Examples

Change the owner and group.

Bash 
azdata bdc hdfs chown --owner hdfs --group superusergroup --path "tmp/test.txt"

Required Parameters

--path -p

Name of the file or directory to change owner of.

--owner

The owner name to set to.

--group -g

Group name to set to.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

azdata bdc hdfs cp

Copy a file or directory between the local machine and HDFS. If the input is a directory then the whole directory tree is copied. If the target file or directory exists the command will fail. To specify the remote HDFS directory prefix the path with "hdfs:"

Bash 
azdata bdc hdfs cp --from-path -f 
                   --to-path -t

Examples

Copy file or directory between the local machine and HDFS.

Bash 
azdata bdc hdfs cp --from-path "tmp/test.txt" --to-path "hdfs:/user/me/test.txt"

Required Parameters

--from-path -f

Name of the path to copy from. Prefix the path with "hdfs:" to indicate an HDFS path.

--to-path -t

Name of the path to copy to. Prefix the path with "hdfs:" to indicate an HDFS path.

Global Arguments

--debug

Increase logging verbosity to show all debug logs.

--help -h

Show this help message and exit.

--output -o

Output format. Allowed values: json, jsonc, table, tsv. Default: json.

--query -q

JMESPath query string. See http://jmespath.org/ for more information and examples.

--verbose

Increase logging verbosity. Use --debug for full debug logs.

Next steps

For more information about other azdata commands, see azdata reference.

For more information about how to install the azdata tool, see Install azdata.