August 2015
Intermediate to advanced
278 pages
5h 54m
English
Content preview from Learning YARNBecome 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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Submitting a sample MapReduce application
When a MapReduce application is submitted to a Hadoop-YARN cluster, a series of events occurs in different components. In this section, we will submit a sample Hadoop-YARN application to a cluster. We will discuss the application flow with the help of snapshots and understand how the series of events occurs.
Submitting an application to the cluster
As discussed in Chapter 3, Administering a Hadoop-YARN Cluster, the yarn jar command is used to submit a MapReduce application to a Hadoop-YARN cluster. An example jar is packaged inside the Hadoop bundle. It contains sample MapReduce programs, such as word count, pi estimator, pattern search, and so on. This is shown in the following figure:
As shown in the preceding ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.