MapReduce Cloud Computing Question:
Explain the purpose of the Partition function in mapreduce framework?
Answer:
In mapreduce framework each map function generates key values. The partition function accepts these key values and in return provides the index for a reduce. Generally the key is hashed and a modulo is done to the number of reducers.
| Previous Question | Next Question |
| Tell me what is an input reader in reference to mapreduce? | What is combiners? |