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 is python stress test in cassandra?

What are partitions in cassandra?

Why is jconsole used?

what do you mean by compaction?

What is key-value store db?

What are the different types of primary key?

What is a primary key? And what are it’s different types?

Differentiate between the various types of primary keys in cassandra.

What are the different types of partitioners in cassandra?

What is a row in cassandra? And what are the different elements of it?

What are the different elements of jconsole?

What are partitions and tokens in cassandra?

Differentiate between static and dynamic cql tables.

What is key-value store db? Explain with an example.

What do you mean by replication factor?

Un-Answered Questions { Hadoop }

How to use Hive using the command line and Beeline?

947

Explain what is difference between an input split and hdfs block?

What do you think about the speculative execution?

440

why should we use 'filters' in pig scripts?

562

Explain task granularity

657

How can a user get the information on the version of CQLSH?

What is the key- value pair in MapReduce?

789

hbase support syntax structure like sql. Yes or no?

200

Mention what are the data components used by Hadoop?

660

What are the different Data Types available in Hive?

708

Explain the LOAD keyword in Pig script?

631

Explain what is distributed cache in mapreduce framework?

621

Define data centre?

112

What purpose would an engineer use spark?

408

Why spark is faster than hadoop?

248

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