Question: ( 5 points ) Hadoop is a distributed file system ( HDFS ) to deal with big data. Hadoop uses MapRedcue algorithms and has Fault

(5 points) Hadoop is a distributed file system (HDFS) to deal with big data. Hadoop uses MapRedcue algorithms and has Fault Tolerance runtime environment. Please describe (1) what is the concept of MapRedcue algorithm? and (2) what is fault tolerance runtime environment in Hadoop?

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