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Hadoop Interview Questions
Questions Answers Views Company eMail

Mention how many inputsplits is made by a hadoop framework?

 1 670

Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

 1 526

Explain is it possible to search for files using wildcards?

 1 592

Explain what is hadoop?

 1 531

Explain what is sequencefileinputformat?

 1 542

Mention how hadoop is different from other data processing tools?

 1 501

Mention what are the most common input formats defined in hadoop?

 1 548

Mention what is rack awareness?

 1 483

Mention what is the difference between an rdbms and hadoop?

 1 547

Mention what are the three modes in which hadoop can be run?

 1 516

Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?

 1 710

Explain what is storage and compute nodes?

 1 603

Explain how jobtracker schedules a task?

 1 566

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

 1 531

What happens in text format?

 1 552

Un-Answered Questions { Hadoop }

What is the latest version of sqoop?

83

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1076

State some DDL Command with brief Description?

61

How to set property in apache tajo?

43

What is the roadmap for apache mahout version 1.0?

98

What is a Hive variable? What for we use it?

881

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

552

List the advantage of Parquet file in Apache Spark?

525

How to skip header rows from a table in Hive?

907

How do I set up flume agent?

145

What is the latest version of ambari that is available in the present market?

113

When we are using queries instead of scripting?

801

How can you import only a subset of rows from a table?

74

What is meant by Transformation? Give some examples.

385

Can We Change settings within Hive Session? If Yes, How?

859

For More Un-Answered { Hadoop } Questions Click Here