R

Ram Avtar Sharma • 4.50K Points
Extraordinary 

Q. . . . . . . . . specifies the number of segments on disk to be merged at the same time.

  • (A) mapred.job.shuffle.merge.percent
  • (B) mapred.job.reduce.input.buffer.percen
  • (C) mapred.inmem.merge.threshold
  • (D) io.sort.factor
  • Correct Answer - Option(D)
  • Views: 33
  • Filed under category Hadoop

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs on Hadoop

Q. What is the significance of the Hadoop ResourceManager "Gang Scheduling" feature in a Hadoop cluster?

Q. In a MapReduce job, what does the term "Combiner" represent?

Q. In Hive, what is the role of the LIMIT clause in a SELECT statement?

Q. A . . . . . . . . server and a data node should be run on one physical node.

Q. In Hive, what is the purpose of the GROUP BY statement?

Q. . . . . . . . . jobs are optimized for scalability but not latency.

Q. Which of the following is the default output format?

Q. Hive version . . . . . . . . is the first release that includes HCatalog.

Q. Point out the correct statement.

Q. The first call on the HCatOutputFormat must be . . . . . . . .

Learn All Hadoop MCQs

Question analytics