hadoop fs -put command

Question

I had a file in my local system and want to copy it to HDFS. can i use the copy command or Put command? How ?

Comments

you can use either command as both allow copying from local system.

Answer 1

Hi,

You can create one directory in HDFS using the command “hdfs dfs -mkdir <path>” and, then use the given below command to copy data from the local file to HDFS: 

$ hdfs dfs -put /root/Hadoop/sample.txt /"your_hdfs_dir_path" 

Alternatively, you can also use the below command.

$ hdfs dfs -copyFromLocal /root/Hadoop/sample.txt /"your_hdfs_dir_path

For details, You can even check out Hadoop Ecosystem tools with the Online big data courses.

Comments

It worked, thanks

Answer 2

put and copyFromLocal are very similar with a thin lining in between with copyFromLocal having source restricted to a local file reference.

Answer 3

Adding to @Kailash's answer, put can take file from any file system, be it hdfs or local.

Answer 4

I think in your case you should be using put. Refer other answers to understand the difference between put and copyFromlocal.

Answer 5

You can use put command:

hadoop fs -put localpath

Answer 6

hadoop fs -put <LOCAL_source> ... <HDFS_destination>

Answer 7

You can use either command. Both the commands will get your work done.

Answer 8

put syntax:

put <localSrc> <dest>

copy syntax:

copyFromLocal <localSrc> <dest>

Comments

given for any eample

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copyFromLocal

HDFS Command to copy the file from a Local file system to HDFS.

Usage: hdfs dfs -copyFromLocal <localsrc> <hdfs destination> 

Command: hdfs dfs –copyFromLocal /home/edureka/test /new_edureka

put

HDFS Command to copy single source or multiple sources from local file system to the destination file system.

Usage: hdfs dfs -put <localsrc> <destination>

Command: hdfs dfs –put /home/edureka/test /user

Answer 9

Both put and copy allow you to copy the file from local system to hdfs

Answer 10

copy command can be used to copy files only from local system but put  can be used to copy file from any file system. 

So, you can use either command as both allow copying from local system. 

Answer 11

I had a file in my local system and want to copy it to HDFS. can i use the copy command or Put command? How ?

Procedure

1	List the available clusters with the cluster list command.
2	Connect to the Hadoop cluster whose files or directories you want to copy to or from your local filesystem. cluster target --name cluster_name
3	Run the command cfg fs --namenode namenode_address. You must run this command before using fs put or fs get to identify the namenode of the HDFS.
4	You can copy (upload) a file from the local filesystem to a specific HDFS using the fs put command. fs put --from source_path_and_file --to dest_path_and_file The specified file or directory is copied from your local filesystem to the HDFS.
5	You can copy (download) a file from the a specific HDFS to your local filesystem using the fs get command. fs get --from source_path_and_file --to dest_path_and_file The specified file or directory is copied from the HDFS to your local filesystem. Regards: Hadoop Admin Training in Pune

Comments

Irrelevant!!

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