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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?

 645

How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?

 625

How to compress mapper output in Hadoop?

 676

Why is Apache Spark faster than Hadoop MapReduce?

 656

Where is the output of Mapper written in Hadoop?

 772

Compare Pig vs Hive vs Hadoop MapReduce?

 675

How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?

 635

Why is output file name in Hadoop MapReduce part-r-00000?

 629

Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?

 600

Explain the process of spilling in Hadoop MapReduce?

 633

What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

 632

Compare Hadoop and Spark?

 322

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

 275

List some use cases where Spark outperforms Hadoop in processing.

 293

Is it necessary to start Hadoop to run any Apache Spark Application ?

 280



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1456

What are the modules that constitute the Apache Hadoop 2.0 framework?

1006

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

907

What are the core components of Apache Hadoop?

784

What is the difference between Apache Hadoop and RDBMS?

807

How is security achieved in Apache Hadoop?

909

What is Apache Hadoop?

852

What is a “Distributed Cache” in Apache Hadoop?

777

What is the problem with small files in Apache Hadoop?

783

What is Rack Awareness in Apache Hadoop?

811

Explain Erasure Coding in Apache Hadoop?

751

What is Disk Balancer in Apache Hadoop?

889

What is a speculative execution in Apache Hadoop MapReduce?

793

What are the modes in which Apache Hadoop run?

800

What is Safemode in Apache Hadoop?

735