Explanation:The transformed intermediate records do not need to be of the same type as the input records. 3. The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job.
A. OutputSplit
B. InputSplit
C. InputSplitStream
D. All of the mentioned
Answer:A
Explanation:The transformed intermediate records do not need to be of the same type as the input records. 3. The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job.
A. OutputSplit B. InputSplit C. InputSplitStream D. All of the mentioned
Explanation:Mapper implementations are passed the JobConf for the job via the JobConfigurable.configure(JobConf) method and override it to initialize themselves. 4. Users can control which keys (and hence records) go to which Reducer by implementing a custom :