Apache Hadoop Training in delhi ncr

Apache Hadoop is a software framework to build large-scale, shared storage and computing infrastructures. Hadoop clusters are used for a variety of research and development projects, and for a growing number of production processes in the industry.

A Map-Reduce job usually splits the input data-set into independent chunks, which are processed by the map tasks in a completely parallel manner. The framework sorts the outputs of the maps, which are then input to the reduce tasks. Typically both the input and the output of the job are stored in a file-system. The framework takes care of scheduling tasks, monitoring them and re-executes the failed tasks.

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