1. Categories >> Software >> Big Data >> Hadoop
  2. Suggest New Category



Hadoop Interview Questions
Questions Answers Views Company eMail

What are the functions of NameNode?

 1 1390

How to configure hadoop to reuse JVM for mappers?

 783

mapper or reducer?

 620

How to resolve IOException: Cannot create directory

 667

Does Pig support multi-line commands?

 562

How to change replication factor of files already stored in HDFS?

 697

Which one is default InputFormat in Hadoop ?

 1 1649

shouldn't DFS be able to handle large volumes of data already?

 758

What is Apache Pig?

 570

what is a datanode?

 634

How does NameNode tackle DataNode failures?

 869

What is InputSplit and RecordReader?

 631

What is the purpose of dfsadmin tool?

 906

How can you connect an application

 712

What are combiners? When should I use a combiner in my MapReduce Job?

 648

Un-Answered Questions { Hadoop }

What is the use of Hcatalog?

514

Explain about the different types of trformations on dstreams?

188

Explain the Reducer's Sort phase?

609

Clarify about the smb join in hive?

396

What are the benefits of apache tajo?

5




How to transfer data from Hive to HDFS?

26

What is spark databricks?

198

What are the main components of spark?’

184

What happens to zk sessions while the cluster is down?

1

Explain what happens in textinformat ?

487

Which command do we use to run HBase Shell?

146

How is it different from doing machine learning in r or sas?

35

Explain Any 3 Features of HBase?

120

What do you understand by Thrift?

59

How to set which framework would be used to run mapreduce program?

406

For More Un-Answered { Hadoop } Questions Click Here