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Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the difference between NameNode

968

What other technologies have you used in hadoop sta ck?

1012

what is difference between int and intwritable?

1506

What is Apache Hadoop YARN?

1492

What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

1141

What are channel selectors?

1077

What are the stable versions of Hadoop?

1054

Input Split & Record Reader and what they do?

1072

what is the default replication factor in HDFS?

1047

How indexing is done in HDFS?

1137

Why are the number of splits equal to the number of maps?

1006

What are the two main components of ResourceManager?

1193

How will you make changes to the default configuration files?

1005

What are the different types of Znodes?

1008

How many instances of JobTracker can run on a Hadoop Cluser?

1048


Post New Apache Hadoop Questions

Un-Answered Questions { Apache Hadoop }

How many Daemon processes run on a Hadoop system?

1128


How to Administering Hadoop?

945


What is the default block size in hdfs?

1077


How to change from su to cloudera?

762


What is the problem with HDFS and streaming data like logs

1056


Does google use hadoop?

718


Who invented hadoop?

715


Can you tell us more about ssh?

753


what should be the ideal replication factor in hadoop?

691


What do shuffling do?

713


What are the Basics of Hadoop?

963


Virtual Box & Ubuntu Installation?

1035


What is a “Distributed Cache” in Apache Hadoop?

811


What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?

1108


What platform and java version are required to run hadoop?

726