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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?

 487

How hadoop mapreduce works?

 595

What is the difference between hbase and hadoop/hdfs?

 165

How to create hadoop archive?

 383

When should be hadoop archive create?

 396

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

 421

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

 405

is there a standard procedure to deploy hadoop?

 392

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

 391

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

 426

Name the most common input formats defined in hadoop?

 410

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

 409

What is tasktracker in hadoop?

 400

What is a combiner in hadoop?

 482



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1417

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

961

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

850

What are the core components of Apache Hadoop?

718

What is the difference between Apache Hadoop and RDBMS?

743

How is security achieved in Apache Hadoop?

836

What is Apache Hadoop?

800

What is a “Distributed Cache” in Apache Hadoop?

725

What is the problem with small files in Apache Hadoop?

729

What is Rack Awareness in Apache Hadoop?

750

Explain Erasure Coding in Apache Hadoop?

693

What is Disk Balancer in Apache Hadoop?

802

What is a speculative execution in Apache Hadoop MapReduce?

739

What are the modes in which Apache Hadoop run?

747

What is Safemode in Apache Hadoop?

684