May 2017
Intermediate to advanced
348 pages
7h 8m
English
Content preview from Hadoop 2.x Administration CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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...
- Connect to the
client1.cluster1.comedge node and switch to thehadoopuser. - Copy the
file1.txtfile to HDFS, as shown in the following screenshot:
- The user can check for the status of a file, as shown in the following ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.