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Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What should be the ideal replication factor in Hadoop Cluster?

2 2998

How can one increase replication factor to a desired value in Hadoop?

1085

What is a Record Reader in hadoop?

914

What is version-id mismatch error in hadoop?

1020

how to share the metastore within multiple users?

877

How do you define "block" in HDFS?

860

Where is the Mapper Output intermediate kay-value data stored ?

1315

What is Distributed Cache?

858

What problems have you faced when you are working on Hadoop code?

927

What is HDFS - Hadoop Distributed File System?

922

What are the most commonly defined input formats in Hadoop?

1023

What does /var/hadoop/pids do?

1220

What is the use of Combiner?

940

what is SPF?

1473

what are Task Tracker and Job Tracker?

1008


Post New Apache Hadoop Questions

Un-Answered Questions { Apache Hadoop }

How can we change the split size if our commodity hardware has less storage space?

626


What is the purpose of button groups?

697


What is NoSQL?

882


How can one increase replication factor to a desired value in Hadoop?

1085


What is the sequencefileinputformat in hadoop?

676


What do sorting do?

648


what factors the block size takes before creation?

974


What is Hadoop serialization?

644


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

921


Which data storage components are used by hadoop?

634


How to change Replication Factor For below cases ?

1034


What is inputsplit in hadoop? Explain.

735


Explain why the name ‘hadoop’?

652


What is a speculative execution in Apache Hadoop MapReduce?

745


Is hadoop obsolete?

593