What are the daemons running for Distributed Processing using MapReduce? (answers for Hadoop 2.x)


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I realized that the answers in the slides are for Hadoop 1.X, but is this correct for Hadoop 2.X?

Resource Manager - Master process for Distributed processing 
NodeManager -  Slave process for Distributed processing

Container - contains the ApplicationMaster process, Map Tasks and Reduce Tasks


1 Answer(s)


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Resource Manager - Master process for YARN,Cluster resource management.
NodeManager -  Slave process for YaARN, Cluster resource management.

-ApplicationMaster - It is an on demand process started when users submit MapReduce jobs. AM launches Map Tasks and Reduce Tasks