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Implementing AWS: Design, Build, and Manage your Infrastructure
book

Implementing AWS: Design, Build, and Manage your Infrastructure

by Yohan Wadia, Rowan Udell, Lucas Chan, Udita Gupta
January 2019
Intermediate to advanced content levelIntermediate to advanced
690 pages
16h
English
Packt Publishing
Content preview from Implementing AWS: Design, Build, and Manage your Infrastructure

Concepts and terminologies

Before we get started with Amazon EMR, it is important to understand some of its key concepts and terminologies, starting out with clusters and nodes:

  • Clusters: Clusters are the core functioning component in Amazon EMR. A cluster is a group of EC2 instances that together can be used to process your workloads. Each instance within a cluster is termed as a node and each node has a different role to perform within the cluster.
  • Nodes: Amazon EMR distinguishes between clusters instances by providing them with one of these three roles:
    • Master node: An instance that is responsible for the overall manageability, working and monitoring of your cluster. The master node takes care of all the data and task distributions ...
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Publisher Resources

ISBN: 9781788835770OtherErrata Page