All keys used for intermediate output from mappers must:
A) Implement a splittable compression algorithm.
B) Be a subclass of FileInputFormat.
C) Implement WritableComparable.
D) Override isSplitable.
E) Implement a comparator for speedy sorting.
Correct Answer:
Verified
Q12: To process input key-value pairs, your mapper
Q13: You have the following key-value pairs as
Q14: You need to perform statistical analysis in
Q15: Identify the MapReduce v2 (MRv2 / YARN)
Q16: You have written a Mapper which invokes
Q18: A client application creates an HDFS file
Q19: What data does a Reducer reduce method
Q20: Given a directory of files with the
Q21: In a MapReduce job with 500 map
Q22: You want to perform analysis on a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents