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

What are the advantages of pig language?

886

What are the different execution mode available in Pig?

1049

Define Spark Streaming.

413

Hadoop uses replication to achieve fault tolerance. How is this achieved in Apache Spark?

408

What is lineage graph?

460

What are benefits of Spark over MapReduce?

453

List the functions of Spark SQL?

482

What is RDD?

483

How to create RDD?

497

Does Apache Spark provide check pointing?

402

Explain about the popular use cases of Apache Spark

427

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

649

What are the different String functions available in pig?

817

Differentiate between the physical plan and logical plan in Pig script?

770

What are the use cases of Apache Pig?

798

Un-Answered Questions { Hadoop }

Mention some basic tajo shell commands?

How hbase handles the write failure?

208

Can you explain difference between apache mahout and apache spark’s mllib?

What are the debugging tools used for Apache Pig scripts?

782

What is wal and hlog in hbase?

307

How do you write your own custom SerDe ?

739

What is the latest version of spark?

267

Explain Features of Pig?

673

Name all HCatalog Features?

Explain what is a column family in cassandra?

124

Can you run spark on windows?

295

Why we use BloomMapFile?

601

List out Hadoop's three configuration files?

603

What are the features of Spark?

291

Mention what is HiveServer2 (HS2)?

790

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