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YARN: Yet Another Resource Negotiator

With the release of Hadoop 2, however, YARN was introduced, which open doors for whole new world of data processing opportunities.

Concept of Key- Value Pair Data in Hadoop MapReduce

First of all, let’s just clarify about what do we meant by saying “key-value” pairs by understanding similar concepts in the Java standard API.

Objective-C : Dynamic Binding

Dynamic bindingAlso called "late binding," it is the linking of a routine or object at runtime based on the conditions at that moment.


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