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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Have you ever used counters in hadoop?

 465

What are some typical functions of job tracker in hadoop?

 481

Can you define inputsplit in hadoop?

 525

What are the main components of hadoop?

 490

Can you explain sequence file in hadoop?

 454

What is the use of recordreader in hadoop?

 466

What is the number of default partitioner in hadoop?

 484

Can you explain hadoop streaming?

 458

What is job tracker role in hadoop?

 530

How many daemon processes run on a hadoop cluster?

 505

Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?

 522

Which operating system(s) are supported for production hadoop deployment?

 472

Why is checkpointing important in hadoop?

 511

What are the differences between hadoop 1 and hadoop 2?

 474

Why do the nodes are removed and added frequently in a hadoop cluster?

 511



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