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

Hadoop Interview Questions

Questions Answers Views Company eMail

What is the advantage of using –password-file rather than -P option while preventing the display of password in the sqoop import statement?

What do you mean by Free Form Import in Sqoop?

What is the role of JDBC driver in Sqoop?

Is JDBC driver enough to connect sqoop to the databases?

What is the work of Export in Hadoop sqoop?

Use of Codegen command in Hadoop sqoop?

Use of Help command in Hadoop sqoop?

How can you schedule a sqoop job using Oozie?

What is the importance of — the split-by clause in running parallel import tasks in sqoop?

What is a sqoop metastore?

What is ZooKeeper?

What are the Benefits Of Distributed Applications?

What are the Benefits Of Zookeeper?

What is the zookeeper daemon name?

What is Apache Zookeeper Meant For?

Un-Answered Questions { Hadoop }

How can you debug a pig script?

629

Is it possible to run Spark and Mesos along with Hadoop?

285

Why HCatalog?

What is Bucket in Hive?

783

Explain pigstorage function?

635

How many datanodes can run on a single Hadoop cluster?

482

Is spark difficult to learn?

323

What is nagios is used in ambari?

109

is it posible to join multiple fields in pig scripts?

556

What are the different data formats supported by apache tajo?

Clarify how job tracker schedules an assignment?

452

Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

397

Define parquet file format? How to convert data to parquet format?

341

Explain HCatStorer APIs?

What are barriers?

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