Explanation:MapReduce is the heart of hadoop. 2. Point out the correct statement :
A. Data locality means movement of algorithm to the data instead of data to algorithm
B. When the processing is done on the data algorithm is moved across the Action Nodes rather than data to the algorithm
C. Moving Computation is expensive than Moving Data
D. None of the mentioned
Answer:A
Explanation:MapReduce is the heart of hadoop. 2. Point out the correct statement :
A. Data locality means movement of algorithm to the data instead of data to algorithm B. When the processing is done on the data algorithm is moved across the Action Nodes rather than data to the algorithm C. Moving Computation is expensive than Moving Data D. None of the mentioned
Explanation:Data flow framework possesses the feature of data locality. 3. The daemons associated with the MapReduce phase are ________ and task-trackers.