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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What are the two main components of the hadoop framework?

 75

When to use hadoop, hbase, hive and pig?

 576

What is the primary purpose of the pig in the hadoop architecture?

 2768

Why is pig used in hadoop?

 618

What commands are used to see all jobs running in the hadoop cluster and kill a job in linux?

 1013

What is the difference between rdbms and hadoop?

 679

Is it necessary to write jobs for hadoop in the java language?

 714

Which command is used for the retrieval of the status of daemons running the hadoop cluster?

 751

What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?

 839

Is it necessary to know java to learn hadoop?

 712

What is the sequencefileinputformat in hadoop?

 766

What is the difference between hadoop and other data processing tools?

 734

Which data storage components are used by hadoop?

 702

Is it possible to provide multiple inputs to hadoop? If yes, explain.

 718

What are the network requirements for using hadoop?

 725



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1499

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

1048

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

969

What are the core components of Apache Hadoop?

829

What is the difference between Apache Hadoop and RDBMS?

856

How is security achieved in Apache Hadoop?

965

What is Apache Hadoop?

900

What is a “Distributed Cache” in Apache Hadoop?

824

What is the problem with small files in Apache Hadoop?

839

What is Rack Awareness in Apache Hadoop?

859

Explain Erasure Coding in Apache Hadoop?

803

What is Disk Balancer in Apache Hadoop?

953

What is a speculative execution in Apache Hadoop MapReduce?

834

What are the modes in which Apache Hadoop run?

840

What is Safemode in Apache Hadoop?

781