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 role of Consumer API?

546

Explain Multi-tenancy?

591

What is Data Log in Kafka?

856

Features of Kafka Stream?

549

What are Replication Tool and its types?

605

Explain how to Tune Kafka for Optimal Performance?

588

What do you mean by Stream Processing in Kafka?

549

Explain the role of Streams API?

585

how you can improve the throughput of a remote consumer?

649

What is kafka Producer?

578

What does it indicate if replica stays out of ISR for a long time?

755

What is Importance of Java in Apache Kafka?

590

Compare RabbitMQ vs Apache Kafka?

603

Why replication is required in Kafka?

548

what is the meaning of broker in Kafka?

601

Un-Answered Questions { Hadoop }

How to set which framework would be used to run mapreduce program?

753

How is indexing done in HDFS?

What are the Hadoop features extended to its eco-system components ?

486

What types of costs are associated with creating the index on hive tables?

1065

Explain the core components of hadoop?

697

Explain the features of pseudo mode?

756

Define HDFS and talk about their respective components?

Explain HCatInputFormat and HCatOutputFormat?

What are the design goals of zookeeper?

Explain fullOuterJoin() operation in Apache Spark?

446

What is the hadoop-core configuration?

502

What is the process to perform an incremental data load in Sqoop?

What are the three layers where the hadoop components are actually supported by ambari?

What does apache mahout do?

In hbase what is column families?

176

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