Explanation:The MapReduce framework operates exclusively on pairs. 5. Point out the wrong statement :
A. MapReduce configuration allows the framework to effectively schedule tasks on the nodes where data is already present
B. Typically the compute nodes and the storage nodes are different
C. The MapReduce framework consists of a single master JobTracker and one slave TaskTracker per cluster-node
D. None of the mentioned
Answer:A
Explanation:The MapReduce framework operates exclusively on pairs. 5. Point out the wrong statement :
A. MapReduce configuration allows the framework to effectively schedule tasks on the nodes where data is already present B. Typically the compute nodes and the storage nodes are different C. The MapReduce framework consists of a single master JobTracker and one slave TaskTracker per cluster-node D. None of the mentioned
Explanation:MapReduce framework and the Hadoop Distributed File System are running on the same set of nodes. 6. The key and value classes have to be _________ by the Mapreduce framework.