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 }

What is cluster in apache spark?

318

What are the common types of NOSQL data bases ?

445

Clarify SSTable?

332

What does reduce action do?

278

What is accumulator?

319

What is a "Parquet" in Spark?

316

Explain Drop View Statement along with syntax?

How is impala metadata managed?

Mention the difference between hbase and relational database?

162

Explain pigstorage function?

595

How is Pig Useful For?

640

Explain the operation transformation and action in Apache Spark RDD?

328

Name the languages which are supported by apache spark and which one is most popular?

279

Which command is used to SHOW PARTITIONS lists in HCatalog?

What are the different types of UDF's in Java supported by Apache Pig?

1055

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