August 2017
Beginner to intermediate
284 pages
6h 51m
English
Content preview from Mastering Apache Storm
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ApplicationMaster (AM)
Once a job is scheduled by the ResourceManager, it no longer keeps track of its status and progress. This results in the ResourceManager being able to support completely different kinds of application in the cluster without worrying about the internal communication and logic of the application.
Whenever an application is submitted, the ResourceManager creates a new ApplicationMaster for that application, which is then responsible for negotiating resources from ResourceManager and communicating with the NodeMangers for the resources. NodeManager provides resources in the form of resource containers, which are abstractions for resource allocation, where you can tell how much CPU, memory, and so on is required.
Once the ...
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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.