Developing Mapreduce Applications - Study Mode
[#46] What is the primary function of the Hadoop Partitioner in a MapReduce application?
Correct Answer
(D) Determine the reducer for each key
[#47] . . . . . . . . can change the maximum number of cells of a column family.
Correct Answer
(C) alter
[#48] Which of the following parameter is the threshold for the accounting and serialization buffers?
Correct Answer
(A) io.sort.spill.percent
[#49] Which of the following is not a table scope operator?
Correct Answer
(A) MEMSTORE_FLUSH
[#50] The right level of parallelism for maps seems to be around . . . . . . . . maps per-node.
Correct Answer
(B) 10-100