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Learning YARN by Shrey Mehrotra, Akhil Arora

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The ResourceManager's view

Being the master service, the ResourceManager service manages the following:

  • Cluster resources (nodes in the cluster)
  • Applications submitted to the cluster
  • Attempt of running applications
  • Containers running on cluster nodes

The ResourceManager service has its own view for different processes associated with YARN management and application execution of YARN. The following is the view of ResourceManager:

  • Node: This is the machine with the NodeManager daemon
  • Application: This is the code submitted by any client to the ResourceManager
  • Application attempt: This attempt is associated with the execution of any application
  • Container: This is the process running the business logic of the submitted application

View 1 – Node

The node view ...

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