What happen if number of reducer is set to 0 in Hadoop?
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What is the best practice to deploy the secondary name node?
Explain Hadoop Archives?
What are the tools used in big data?
What is replication factor?
Can you explain indexing?
What are the different commands used to startup and shutdown Hadoop daemons?
Why use hadoop?
If datanodes increase, then do we need to upgrade namenode?
What do you understand by a closure in scala?
Clarify how ordering in hdfs is finished?
Can you define a checkpoint?
What daemons run on master nodes?
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