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?

212

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

209

How will you implement joins in HBase?

176

How to create table in hbase?

169

What is the full form of MSLAB?

225

How many compaction types are in HBase?

181

What are the operational commands of HBase?

188

Specify some uses of HBase?

191

What is row in hbase?

168

What is HBase Shell?

172

Explain about the data model operations in HBase?

148

Should the region server be located on all DataNodes?

442

What is Client API?

281

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?

169

Un-Answered Questions { Hadoop }

How much space will the split occupy in Mapreduce?

672

What is Partioner in hadoop? Where does it run

975

What apache spark is used for?

252

How you can remove the element with a critical present in any other Rdd is Apache spark?

300

What is paired rdd in spark?

345

What is coalesce in spark?

289

How to process data using Transformation operation in Spark?

305

In hbase what is column families?

174

What is the biggest shortcoming of Spark?

317

Explain a common use case for Flume?

Kafka has written in which languages?

537

What are some of the characteristics of Hadoop framework?

438

Explain repository in apache ambari?

What is connection_loss error?

CONCAT function in Hive with Example?

809

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