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?

217

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

213

How will you implement joins in HBase?

180

How to create table in hbase?

171

What is the full form of MSLAB?

229

How many compaction types are in HBase?

185

What are the operational commands of HBase?

198

Specify some uses of HBase?

196

What is row in hbase?

176

What is HBase Shell?

176

Explain about the data model operations in HBase?

157

Should the region server be located on all DataNodes?

447

What is Client API?

287

Explain Any 3 Features of HBase?

172

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

171

Un-Answered Questions { Hadoop }

Where is spark used?

378

What is spark repartition?

327

Is there a date data type in Hive?

781

Why Apache Spark?

335

What is a skewed join?

641

List some use cases where Spark outperforms Hadoop in processing.

307

Explain HDFS “Write once Read many” pattern?

What are the complex datatypes in pig?

1020

How can I delete the above index named index_bonuspay?

772

Mention some use cases of apache mahout?

What are the tools that are used in ambari monitoring?

Explain pipe() operation in Apache Spark?

323

What are the types of Apache Spark transformation?

304

Why is spark fast?

303

Hive new version supported Hadoop Versions ?

644

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