Explanation:All intermediate values associated with a given output key are subsequently grouped by the framework, and passed to the Reducer(s) to determine the final output. 6. Applications can use the ____________ to report progress and set application-level status messages
A. Partitioner
B. OutputSplit
C. Reporter
D. All of the mentioned
Answer:A
Explanation:All intermediate values associated with a given output key are subsequently grouped by the framework, and passed to the Reducer(s) to determine the final output. 6. Applications can use the ____________ to report progress and set application-level status messages
A. Partitioner B. OutputSplit C. Reporter D. All of the mentioned
Explanation:Reporter is also used to update Counters, or just indicate that they are alive. 7. The right level of parallelism for maps seems to be around _________ maps per-node