Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 }

What is the default port of presto?

How to insert records in apache tajo?

What is KeyValueTextInputFormat in Hadoop?

350

Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

498

What is project tungsten in spark?

243

What is a bookkeeper client in bookkeeper?

Why is output file name in Hadoop MapReduce part-r-00000?

469

What are the views in Hive?

504

What are the relational databases supported in sqoop?

How can you remove the elements with a key present in any other RDD?

257

What is the difference between DSM and RDD?

262

How to create RDD?

418

Where is hadoop-env.sh file present?

339

What are the major apis available in apache kafka?

386

Why lazy evaluation is good in spark?

236

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