Question
a.
archives
b.
files
c.
task
d.
none of the mentioned
Posted under Hadoop
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files.
Similar Questions
Discover Related MCQs
Q. ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
View solution
Q. Which of the following class provides a subset of features provided by the Unix/GNU Sort?
View solution
Q. Which of the following class is provided by the Aggregate package?
View solution
Q. Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix ______ utility.
View solution
Q. ___________ generates keys of type LongWritable and values of type Text.
View solution
Q. In _____________ the default job is similar, but not identical, to the Java equivalent.
View solution
Q. An input _________ is a chunk of the input that is processed by a single map.
View solution
Q. An ___________ is responsible for creating the input splits, and dividing them into records.
View solution
Q. ______________ is another implementation of the MapRunnable interface that runs mappers concurrently in a configurable number of threads.
View solution
Q. Which of the following is the only way of running mappers?
View solution
Q. _________ is the base class for all implementations of InputFormat that use files as their data source.
View solution
Q. Which of the following method add a path or paths to the list of inputs?
View solution
Q. ___________ takes node and rack locality into account when deciding which blocks to place in the same split.
View solution
Q. The key, a ____________ is the byte offset within the file of the beginning of the line.
View solution
Q. _________ is the output produced by TextOutputFor mat, Hadoop default OutputFormat.
View solution
Q. __________ is a variant of SequenceFileInputFormat that converts the sequence file’s keys and values to Text objects.
View solution
Q. __________ class allows you to specify the InputFormat and Mapper to use on a per-path basis.
View solution
Q. ___________ is an input format for reading data from a relational database, using JDBC.
View solution
Q. Which of the following is the default output format?
View solution
Q. Which of the following writes MapFiles as output?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Hadoop? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!