Explanation:PGroupedTable provides a combineValues operation that allows a commutative and associative Aggregator to be applied to the values of the PGroupedTable instance on both the map and reduce sides of the shuffle. 3. For Scala users, there is the __________ API, which is built on top of the Java APIs
A. Prunch
B. Scrunch
C. Hivench
D. All of the mentioned
Answer:A
Explanation:PGroupedTable provides a combineValues operation that allows a commutative and associative Aggregator to be applied to the values of the PGroupedTable instance on both the map and reduce sides of the shuffle. 3. For Scala users, there is the __________ API, which is built on top of the Java APIs
A. Prunch B. Scrunch C. Hivench D. All of the mentioned
Explanation:It includes a REPL (read-eval-print loop) for creating MapReduce pipelines. 4. The Crunch APIs are modeled after _________ , which is the library that Google uses for building data pipelines on top of their own implementation of MapReduce.