How to download hdfs file

 · Download the file from hdfs to the local filesystem. Just, point your web browser to HDFS WEBUI(namenode_machine) and select the file and download it. Browsing HDFS file system directories To access HDFS NameNode UI from Ambari Server UI, select Services HDFS. Click Quick Links NameNode UI. The Overview page of the selected host is populated. To browse the HDFS file system in the HDFS NameNode UI, select Utilities Browse the file system. Enter the directory path and click Go!.  · Download Files from HDFS. At this point, you have learned how to copy and list files to HDFS. Now use following example commands to how to download/Copy files from HDFS to the local file system. hdfs dfs -get /user/hduser/input/text/bltadwin.ru /tmp/ hdfs dfs -get /user/hadoop/dir1/xml/bltadwin.ru /tmp/ here /tmp is on system’s local file system. Copy Files between HDFS Directories.

Hadoop files are distributed on the Hadoop clusters. To upload a file you can use the following command: hadoop fs -put / /hdfs path/. Above command will upload the file on Hadoop. Following is the command to download the file: hadoop fs -get /hdfs path /. Specifically, the HDFS connector supports: Copying files by using Windows (Kerberos) or Anonymous authentication. Copying files by using the webhdfs protocol or built-in DistCp support. Copying files as is or by parsing or generating files with the supported file formats and compression codecs. Prerequisites. I am developing an API for using hdfs as a distributed file storage. I have made a REST api for allowing a server to mkdir, ls, create and delete a file in the HDFS cluster using Webhdfs. But since Webhdfs does not support downloading a file, are there any solutions for achieving this.

Download the file from hdfs to the local filesystem. Just, point your web browser to HDFS WEBUI(namenode_machine) and select the file and download it. Download Files from HDFS. At this point, you have learned how to copy and list files to HDFS. Now use following example commands to how to download/Copy files from HDFS to the local file system. hdfs dfs -get /user/hduser/input/text/bltadwin.ru /tmp/ hdfs dfs -get /user/hadoop/dir1/xml/bltadwin.ru /tmp/ here /tmp is on system’s local file system. Copy Files between HDFS Directories. Similar to the -put command, we use the "-get" command to download files from HDFS to the local file system. Pass the -get argument in the hadoop fs command followed by the file source and the destination path to which we wish to download the file. The syntax for this is given below: hadoop fs -get ltsourcegt ltdestinationgt. For example, I want to download the "bltadwin.ru" file present in my HDFS to a directory named "testing" present in my local file system.