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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Use of import command in hadoop sqoop?

 5

What is hadoop pig?

 535

How hadoop mapreduce works?

 639

What is the difference between hbase and hadoop/hdfs?

 169

How to create hadoop archive?

 419

When should be hadoop archive create?

 428

What mode(s) can hadoop code be run in?

 459

If the hadoop administrator needs to make a change, which configuration file does he need to change?

 442

is there a standard procedure to deploy hadoop?

 423

How would an hadoop administrator deploy various components of hadoop in production?

 422

What is the difference between a hadoop database and relational database?

 453

Name the most common input formats defined in hadoop?

 443

Is it possible to have hadoop job output in multiple directories?

 444

What is tasktracker in hadoop?

 428

What is a combiner in hadoop?

 510



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1454

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

1005

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?

851

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?

750

What is Disk Balancer in Apache Hadoop?

887

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?

733