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.

731

Differentiate between hive and hbase?

772

Explain process to access sub directories recursively in hive queries.

907

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

700

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 }

What are the features of Fully-Distributed mode?

505

What are the different pig data types?

754

Can you explain broadcast variables?

296

Which components are used for stream flow of data?

582

What is the relation between MapReduce and Hive?

655

What is version-id mismatch error in hadoop?

1062

What do you understand by an inner bag and outer bag in Pig?

861

Use of export command in hadoop sqoop?

Explain the process for starting a kafka server?

534

What is heap memory in spark?

267

What is Reducer in Hadoop?

555

Explain what is webdav in hadoop?

514

Explain the role of the Kafka Producer API?

533

what are the steps involved in commissioning adding

917

What is apache hcatalog?

734

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