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

Hadoop Interview Questions

Questions Answers Views Company eMail

How Sqoop word came? Sqoop is which type of tool and the main use of sqoop?

What is Sqoop Import Mainframe Tool and its Purpose?

Give the sqoop command to see the content of the job named myjob?

How can you see the list of stored jobs in sqoop metastore?

What are the basic commands in Apache Sqoop and its uses?

How can you avoid importing tables one-by-one when importing a large number of tables from a database?

What is Sqoop Validation?

What is Sqoop Job?

What is the purpose of Sqoop List Tables?

Is it possible to add a parameter while running a saved job?

What is a disadvantage of using –direct parameter for faster data load by sqoop?

How will you update the rows that are already exported?

Difference Between Apache Sqoop vs Flume?

What is the default extension of the files produced from a sqoop import using the –compress parameter?

Where can the metastore database be hosted?

Un-Answered Questions { Hadoop }

What platform and java version are required to run hadoop?

694

Which object can be used to get the progress of a particular job

472

Does the HDFS go wrong? If so, how?

How can I speed up my spark?

277

How to perform the inter-cluster data copying work in HDFS?

What are the different zkclientbindings?

how indexing in HDFS is done?

855

What is the difference between input split and hdfs block?

What are the main configuration parameters in a MapReduce program?

636

How you can use Akka with Spark?

360

What does reduce action do?

280

What is a Combiner?

742

Differentiate between Pig Latin and Pig Engine?

847

What are the components of Apache Spark Ecosystem?

403

What is the sequencefileinputformat in hadoop?

715

For More Un-Answered { Hadoop } Questions Click Here