Apache Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

How to resolve small file problem in hdfs?

929

what factors the block size takes before creation?

968

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

1172

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

904

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

1007

What is difference between regular file system and HDFS?

998

What is rack-aware replica placement policy?

977

What is Hadoop?

1 1562

Are Namenode and job tracker on the same host?

1407

What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

1067

What is HDFS Federation?

934

What are watches?

984

Explain the Job OutputFormat?

915

Virtual Box & Ubuntu Installation?

933

What is the difference between HDFS and NAS ?

1319

Post New Apache Hadoop Questions

Un-Answered Questions { Apache Hadoop }

How do you categorize a big data?

704

What do you know about sequencefileinputformat?

596

Does the hdfs client decide the input split or namenode?

619

Name the various types of lists supported by bootstrap.

620

In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?

680

What is the best hardware configuration to run Hadoop?

1586

What do shuffling do?

625

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

1007

What is the difference between Apache Hadoop and RDBMS?

752

What is hadoop framework?

667

What is the difference between traditional RDBMS and Hadoop?

1134

What is the use of Combiner?

937

Why are the number of splits equal to the number of maps?

912

What platform and java version are required to run hadoop?

642

How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?

694

For More Un-Answered { Apache Hadoop } Questions Click Here