G

Gopal Sharma • 38.32K Points
Coach 

Q. In advanced MapReduce, what is the significance of the Hadoop MapReduce "Map-side Join"?

  • (A) Join data on the mapper side
  • (B) Join data on the reducer side
  • (C) Sort keys on the mapper side
  • (D) Sort keys on the reducer side
  • Correct Answer - Option(A)
  • Views: 30
  • 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. Mapper implementations are passed the JobConf for the job via the . . . . . . . . method.

Q. What is the significance of the Oozie Kill node in a workflow?

Q. For Scala users, there is the . . . . . . . . API, which is built on top of the Java APIs.

Q. Mahout provides an implementation of a . . . . . . . . identification algorithm which scores collocations using log-likelihood ratio.

Q. In . . . . . . . . the default job is similar, but not identical, to the Java equivalent.

Q. What is the role of the Flume Event Interceptor in Flume?

Q. In advanced MapReduce, what is the purpose of the Hadoop MapReduce "Side Data Distribution"?

Q. Point out the wrong statement.

Q. Point out the wrong statement.

Q. In HBase, what is the role of the HBase Compaction Thread?

Learn All Hadoop MCQs

Question analytics