Hadoop yarn architechture

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Hadoop yarn architechture

Postby soumitra.engg » Sun Jun 28, 2015 2:31 pm

Can anyone give me a good yarn architecture with detail description.

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Re: Hadoop yarn architechture

Postby edupristine » Mon Jun 29, 2015 9:25 am

YARN as name says is Yet another resource negotiator.Yarn contains -
1. Resource manager
2. Application master
3. Node manager

The architecture can be clearly seen in image

Each resource manager handles a cluster.Application master available for every job,and per machine there is a node manager, which informs the resource manager about the resource used and health of the node.In YARN, nodes have container which is actually a name given to the resources allocated to the node.

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