Big Data Interview Questions
Questions Answers Views Company eMail

What are the site-specific configuration files in Hadoop?

663

On what basis data will be stored on a rack?

827

How is HDFS fault tolerant?

702

How to Administering Hadoop?

646

What are the main components of a Hadoop Application?

734

How to resolve small file problem in hdfs?

647

what factors the block size takes before creation?

643

Which are the two types of 'writes' in HDFS?

912

Explain use cases where SequenceFile class can be a good fit?

667

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

690

What is difference between regular file system and HDFS?

693

What is rack-aware replica placement policy?

693

What is Hadoop?

1 1122

Are Namenode and job tracker on the same host?

1031

What are the limitations of Hive?

717


Un-Answered Questions { Big Data }

What are the various functions of Spark Core?

203


What is the difference between Reducer and Combiner in Hadoop MapReduce?

375


What is a heartbeat in HDFS?

620


how would you modify that solution to only count the number of unique words in all the documents?

712


What ensures load balancing of the server in Kafka?

360






What are the particular functionalities of Ganglia in Ambari?

49


Define cell in HBase?

117


What is meant by Transformation? Give some examples.

210


What is CAP Theorem? What aspects does Hadoop support from this theorem?

225


What happens if the block on Hadoop HDFS is corrupted?

31


Describe Partition and Partitioner in Apache Spark?

217


How can I import large objects (BLOB and CLOB objects) in Apache Sqoop?

5


What is the difference between SQL and NoSQL?

656


Define the management tools in Cassandra?

63


What is kafka in hadoop?

290