What should be the ideal replication factor in Hadoop Cluster?
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Can you give us some more details about ssh communication between masters and the slaves?
What is the purpose of RawComparator interface?
Is secondary namenode a substitute to the namenode?
What is the heartbeat used for?
what are the steps involved in commissioning adding
How client application interacts with the NameNode?
Explain the benefits of block transfer?
What is a Secondary Namenode? Is it a substitute to the Namenode?
Why do we use Hadoop?
Explain InputFormat?
What is the difference between a Hadoop and Relational Database and Nosql?
what is the default replication factor in HDFS?
Why are the number of splits equal to the number of maps?
What is HDFS Federation?
Explain the master class and the output class do?
