Apache Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

How to change from su to cloudera?

766

Why password is needed in ssh localhost?

848

What happens to a namenode, when job tracker is down?

788

What does the command mapred.job.tracker do?

823

How to come out of the insert mode?

833

What is the full form of fsck?

740

Why do we need a password-less ssh in fully distributed environment?

754

Can you give us some more details about ssh communication between masters and the slaves?

734

Can you tell us more about ssh?

759

How does master slave architecture in the hadoop?

879

Explain the wordcount implementation via hadoop framework ?

761

What is hadoop framework?

760

What is partioner in hadoop? Where does it run,mapper or reducer?

707

What is a task instance in hadoop? Where does it run?

656

How to enable recycle bin in hadoop?

798

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Un-Answered Questions { Apache Hadoop }

What is partioner in hadoop? Where does it run,mapper or reducer?

707

What is a speculative execution in Apache Hadoop MapReduce?

825

what factors the block size takes before creation?

1091

Where do you specify the Mapper Implementation?

1052

How is the option in Hadoop to skip the bad records?

982

Explain the hadoop configuration files at present?

700

Why is Apache Spark faster than Apache Hadoop?

879

What is the InputFormat ?

1059

What is a task instance in hadoop? Where does it run?

656

What is structured data?

691

Which is the best hadoop certification?

712

What is Hadoop Custom partitioner ?

1045

What is salary of hadoop developer?

731

Define streaming?

700

Explain the features of pseudo mode?

754

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