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Hadoop Interview Questions
Questions Answers Views Company eMail

Discuss the various running mode of Apache Spark?

 1 395

Describe Spark SQL?

 1 444

Explain SparkContext in Apache Spark?

 1 420

What are the types of Transformation in Spark RDD Operations?

 1 380

Explain first() operation in Apache Spark RDD?

 1 506

What are the ways in which Apache Spark handles accumulated Metadata?

 1 440

Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

 1 396

Is it possible to run Apache Spark without Hadoop?

 1 378

What is Apache Spark Streaming?

 1 428

How can you implement machine learning in Spark?

 1 382

List some commonly used Machine Learning Algorithm Apache Spark?

 1 375

What is the command to start and stop the Spark in an interactive shell?

 1 410

List out the ways of creating RDD in Apache Spark?

 1 378

What are the various advantages of DataFrame over RDD in Apache Spark?

 1 407

What is flatmap in apache spark?

 1 420

Un-Answered Questions { Hadoop }

How you can contact your client everyday ?

1042

What is the stable version of Hive ?

2696

When to choose "External Table" in Hive?

868

List the advantage of Parquet file in Apache Spark?

525

How to skip header rows from a table in Hive?

907

What is the function of UNION and SPLIT operators? Give examples?

621

Where does the data of a Hive table gets stored?

750

Which modes can Hadoop be run in? List a few features for each mode?

542

What is meant by Transformation? Give some examples.

385

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

881

Give me the examples of Columnar database ?

669

How to set property in apache tajo?

43

What is the latest version of sqoop?

83

What are the different types of tables available in Hive?

767

Can free-form SQL queries be used with Sqoop import command? If yes, then how can they be used?

75

For More Un-Answered { Hadoop } Questions Click Here