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This blog post we are going to learn commands to fetch files from HDFS to Local System
Lets go through this video to understand the whole process
Commands for fetching a file in HDFS
| HDFS to Local | |
|---|---|
| hadoop fs -get /user/asterix/log.txt /home/ubuntu/data | Copies file from HDFS to local system, in this instance file log.txt in HDFS is copied to /home/ubuntu/data local linux folder |
| hadoop fs -get -p /user/asterix/log.txt /home/ubuntu/data | Copies file from HDFS to local system, in this instance file log.txt in HDFS is copied to /home/ubuntu/data local linux folder -p preserves access and modification times, ownership and the mode. |
| hadoop fs -get /user/asterix/*.csv /home/ubuntu/data | Copies all the matching files from HDFS to local, in this instance all the csv files will be copied from HDFS folder to linux local system |
