March 2014
Intermediate to advanced
400 pages
10h 7m
English
book
Apache Hadoop™ YARN: Moving beyond MapReduce and Batch Processing with Apache Hadoop™ 2
by Arun C. Murthy, Vinod Kumar Vavilapalli, Doug Eadline, Joseph Niemiec, Jeff Markham
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4. Functional Overview of YARN Components
YARN relies on three main components for all of its functionality. The first component is the ResourceManager (RM), which is the arbitrator of all cluster resources. It has two parts: a pluggable scheduler and an ApplicationManager that manages user jobs on the cluster. The second component is the per-node NodeManager (NM), which manages users’ jobs and workflow on a given node. The central ResourceManager and the collection of NodeManagers create the unified computational infrastructure of the cluster. The third component is the ApplicationMaster, a user job life-cycle manager. The ApplicationMaster is where the user application resides. Together, these three components provide a very scalable, flexible, ...
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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.