Q. What is the primary programming language used for writing MapReduce programs in Hadoop?

View solution

Q. What is one advantage of Skynet's architecture compared to other MapReduce implementations?

View solution

Q. What is Dryad's approach to executing data parallel applications?

View solution

Q. What programming language is the current implementation of Dryad written in?

View solution

Q. Which subproject of Hadoop provides the common utilities and interfaces supporting other Hadoop subprojects?

View solution

Q. What does HBase provide, and what is it built on top of?

View solution

Q. Which of the following companies was one of the early adopters of Hadoop, using it to generate their search index?

View solution

Q. What is the primary language used for writing MapReduce programs in Disco?

View solution

Q. How does Skynet handle worker node failures in its MapReduce implementation?

View solution

Q. What is the key advantage of Hadoop's distributed file system, HDFS?

View solution

Q. What is the primary purpose of the HBase database?

View solution

Q. What is the role of the master node in a Hadoop MapReduce cluster?

View solution

Q. In a MapReduce job, what is the unit of work that users submit to the jobtracker?

View solution

Q. How does the jobtracker divide input data in a Hadoop MapReduce cluster?

View solution

Q. What is the default number of map and reduce slots on a tasktracker in Hadoop?

View solution

Q. Why does the Hadoop master represent a single point of failure?

View solution

Q. What is the primary design goal of the Hadoop Distributed File System (HDFS)?

View solution

Q. What is the role of the namenode in HDFS?

View solution

Q. What is the default block size in HDFS?

View solution

Q. What is the purpose of the replication factor in HDFS?

View solution