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Point out the wrong statement.

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Point out the wrong statement.

(a) From the system perspective, the ApplicationMaster runs as a normal container

(b) The ResourceManager is the per-machine slave, which is responsible for launching the applications’ containers

(c) The NodeManager is the per-machine slave, which is responsible for launching the applications’ containers, monitoring their resource usage

(d) None of the mentioned

I got this question at a job interview.

My doubt is from YARN topic in division Working of MapReduce of Hadoop

1 Answer

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Right answer is (b) The ResourceManager is the per-machine slave, which is responsible for launching the applications’ containers

Explanation: ResourceManager has a scheduler, which is responsible for allocating resources to the various applications running in the cluster, according to constraints such as queue capacities and user limits.

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