Questions from Database Management

Q: List the purposes Hadoop is used for.

List the purposes Hadoop is used for.

Q: What is the role of YARN in the management of highly distributed

What is the role of YARN in the management of highly distributed systems?

Q: Describe and explain the two main components of MapReduce

Describe and explain the two main components of MapReduce

Q: How does HDFS aid in coping with hardware failure?

How does HDFS aid in coping with hardware failure?

Q: Explain the implementation of MapReduce on HDFS clusters.

Explain the implementation of MapReduce on HDFS clusters.

Q: HDase and Cassandra share a common purpose. What is it?

HDase and Cassandra share a common purpose. What is it? What is their relationship to HDFS and Google BigTable?

Q: Match the following terms to the appropriate definitions: - Hive

Match the following terms to the appropriate definitions: - Hive - Big data - Data lake - Pig - Analytics a. data exist in large volumes and variety and need to processed at a very high speed b. a lan...

Q: Contrast the following terms: a. data lake; data

Contrast the following terms: a. data lake; data warehouse b. Pig; Hive c. volume; velocity d. NoSQL; SQL

Q: Identify and briefly describe the five Vs that are often used to

Identify and briefly describe the five Vs that are often used to define big data.

Q: What are the two challenges faced in visualizing big data?

What are the two challenges faced in visualizing big data?