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01-02-2021
03:38 PM
Resource manager manages resources by communicating with the node managers . Are these node managers same as data nodes ? Also , does the resource manager communicate with node managers via Name Node since it has all the meta data ? And after resources have been allocated , for a map Reduce Job , the mappers and reducers job is scheduled by Name node , right ? I got confused when the term resource manager came after Name node , hence looking for a confirmation for the basics
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Apache Hadoop
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Apache YARN