August 2015
Intermediate to advanced
278 pages
5h 54m
English
Content preview from Learning YARN
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How YARN satisfies big data needs
We talked about the MapReduce v1 framework and some limitations of the framework. Let's now discuss how YARN solves these issues:
- Scalability and higher cluster utilization: Scalability is the ability of a software or product to implement well under an expanding workload. In YARN, the responsibility of resource management and job scheduling / monitoring is divided into separate daemons, allowing YARN daemons to scale the cluster without degrading the performance of the cluster.
With a flexible and generic resource model in YARN, the scheduler handles an overall resource profile for each type of application. This structure ...
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