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?

231

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?

178

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 }

What is spark flatmap?

328

What are the primitive data types in Pig?

589

What are the prime features of apache zookeeper?

What is bloom filter?

Give the data storage units in Cassandra?

What does FOREACH do?

610

Explain about the common workflow of a Spark program?

349

What are the storage supported by tajo?

How to enable recycle bin in hadoop?

800

Explain how does hbase actually delete a row?

171

Explain how you can get exactly once messaging from kafka during data production?

560

Mention what is the benefits of apache kafka over the traditional technique?

657

Differentiate between Pig Latin and Pig Engine?

888

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

507

What are the relational operators available related to loading and storing in pig language?

664

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