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Hadoop 2.x Administration Cookbook by Gurmukh Singh

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Loading data in HDFS

It is important to make sure that the cluster is working fine and the user can perform file operations on the cluster.

Getting ready

Log in to any of the nodes in the cluster. It's best to use the edge node, as stated in Chapter 1, Hadoop Architecture and Deployment, and switch to user hadoop.

Create a simple text file named file1.txt using any of your favorite text editors, and write some content in it.

How to do it...

  1. Connect to the client1.cluster1.com edge node and switch to the hadoop user.
  2. Copy the file1.txt file to HDFS, as shown in the following screenshot:
    How to do it...
  3. The user can check for the status of a file, as shown in the following ...

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