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

Why Avro?

Explain Thrift & Protocol Buffers Vs. Avro?

Explain the Avro SASL Profile?

How to use Avro?

Name some Complex types of Data types, Avro Supports?

What do you mean by Schema Resolution?

Explain Avro Schemas?

What Avro offers?

Explain some Advantages of Avro?

120

Explain some Disadvantages of Avro?

What are best features of Apache Avro?

State some key Points about Apache Avro?

Who are Intended Audience to learn Avro?

What are Prerequisites to learn Avro?

Name some Primitive types of Data types, Avro Supports?

Un-Answered Questions { Hadoop }

List down the languages supported by Apache Spark?

293

What is pagerank in graphx?

284

What is a map side join?

685

What is the default input type in MapReduce?

661

Virtual Box & Ubuntu Installation?

989

What are the different clustering in mahout?

What is Cassandra Data Modelling ?

What are the features of Fully-Distributed mode?

492

Explain the overview of hadoop history breifly?

623

How do you write your own custom SerDe ?

739

What are the different Complex Data Types available in Hive?

904

What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?

587

What is the unit of data that flows through a flume agent?

374

What are the components of apache ambari architecture?

What are the disadvantages of using Apache Spark over Hadoop MapReduce?

458

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