Question
Answer: Please design your partitioner with the following boundary: If the first letter of a word is less than s, this word belongs to partition
Answer:
Please design your partitioner with
the following
boundary:
If the first letter of a word is less than s, this word belongs to partition 1; otherwise, this word
belongs to partition 2. What are the partitions in the above example?
Partition 1:
Partition 2:
What are the outputs of reducer 1 and 2?
Reducer 1:
Reducer 2:
Suppose we add the combiner to the program. Can we use the code for the reducer as the combiner?
Answer:
Will the combiner helps improve the computing efficiency and why?
Answer:
How many combiners do we have?
Answer:
Please Indicate the output of the combiner.
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