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

How can you use consumer api?

554

How can you start the kafka server?

611

What does adminclient api in kafka?

566

What does streams api in kafka?

570

Kafka can be used for which kind of applications?

539

What are the capabilities of kafka?

592

How can you use producer api code?

554

How can you start a consumer in kafka?

577

What does connector api in kafka?

554

What is a topic in kafka?

522

How can you use adminclient api?

609

What is the difference between rdbms and hadoop?

678

Define tasktracker.

684

Is it necessary to write jobs for hadoop in the java language?

712

Which command is used for the retrieval of the status of daemons running the hadoop cluster?

748

Un-Answered Questions { Hadoop }

Define Thrift?

275

What is the use of spark sql?

290

How would you check whether your NameNode is working or not?

445

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

749

Mention what is the number of default partitioner in Hadoop?

744

What are the tools that are needed to build ambari?

What are the benefits of apache kafka over the traditional technique?

1035

What is shuffle read and shuffle write in spark?

326

What is driver and executor in spark?

324

Is avro supported?

What is the use of Hcatalog?

994

What is the spark driver?

341

Explain what is shuffling in mapreduce?

668

What are the limitations of importing RDBMS tables into Hcatalog directly?

992

Does Apache Spark provide checkpoints?

304

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