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 Features of HBase?

207

Which filter accepts the page size as the parameter in HBase?

204

How will you implement joins in HBase?

173

How to create table in hbase?

163

What is the full form of MSLAB?

221

How many compaction types are in HBase?

175

What are the operational commands of HBase?

183

Specify some uses of HBase?

185

What is row in hbase?

168

What is HBase Shell?

170

Explain about the data model operations in HBase?

143

Should the region server be located on all DataNodes?

436

What is Client API?

277

Explain Any 3 Features of HBase?

166

Assume that an HBase table Student is disabled. So, how to access the student table once it is disabled, by using Scan command?

168

Un-Answered Questions { Hadoop }

Is hadoop based on google mapreduce?

636

Do we need to place 2nd and 3rd data in rack 2 only?

421

Do you need to install Spark on all nodes of Yarn cluster while running Spark on Yarn?

618

Why do we need Hadoop Archives? How is it created?

522

How is streaming implemented in spark? Explain with examples.

330

How to setup the local repository manually?

What are the important differences between apache and hadoop?

668

What are the various components in kafka.

517

When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

316

Why do we need spark?

264

What is an Agent?

Does Pig differ from MapReduce? If yes, how?

556

Can you explain indexing?

387

What do you understand by sstabl in cassandra?

What is an accumulator in spark?

278

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