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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

Explain the functionality of object-inspector.

782

Differentiate between hive and hbase?

811

Explain process to access sub directories recursively in hive queries.

953

Mention the date data type in hive. Name the hive data type collection.

742

What is the local repository and where it is useful while using ambari environment?

Explain repository in apache ambari?

Explain the functionalities of the nagios in ambari?

Can ambari manage multiple clusters and why?

What is the latest version of ambari that is available in the present market?

In ambari what are the different life cycle commands?

Can you define the process of creating ambari client?

What are the different tasks we can perform managing host using ambari host tab?

Explain the core benefits for hadoop users by using the apache ambari?

Explain the functionalities of ganglia in ambari?

What are the components of apache ambari architecture?

Un-Answered Questions { Hadoop }

How to change the replication factor of data which is already stored in HDFS?

What is the difference between Caching and Persistence in Apache Spark?

337

What happens to existing data in my cluster when I add new nodes?

232

What are the two main parts of the hadoop framework?

707

How to set up local repository manually?

Define column families?

178

What is full form of rdd?

402

Which language is more suitable for text analytics? R or python?

486

Explain the flatMap operation on Apache Spark RDD?

334

Explain about tajo worker configuration?

What is sc parallelize in spark?

315

How to control access to data in impala?

Data node block size in HDFS, why 64MB?

How Spark uses Akka?

332

How to delete the table with the HBase shell?

153

For More Un-Answered { Hadoop } Questions Click Here