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 the message broker?

519

Explain apache kafka?

561

List some use cases of apache kafka?

523

How can you send large messages with kafka (over 15mb)?

541

What is the role of a zookeeper in a kafka cluster?

593

What are the major apis available in apache kafka?

543

List some difference between flume and kafka?

520

Can we use kafka without zookeeper?

584

How do I achieve fifo behavior with kafka?

565

What are some alternatives to apache kafka?

603

List few differences between apache kafka and rabbitmq?

606

What does serdes mean in apache kafka?

646

Explain the role of offset in kafka?

558

List some benefits of apache kafka?

595

What is a kafka cluster?

582

Un-Answered Questions { Hadoop }

Is apache spark a framework?

290

What is flume instagram?

Can I do transforms or add new functionality?

What do you understand by an inner bag and outer bag in Pig?

884

What is scala spark?

312

Discuss writeahead logging in Apache Spark Streaming?

344

What is action, how it process data in apache spark

353

What is InputSplit and RecordReader?

1010

What services run after running hbase job?

172

How Facebook Uses Hadoop, Hive and Hbase ?

766

How tables are managed in apache tajo?

What is job tracker role in hadoop?

524

Why is jconsole used?

102

Is hadoop required for data science?

732

How does spark work with python?

315

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