Mention what daemons run on a master node and slave nodes?
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What are 'slaves' and 'masters' in Hadoop?
Is there another way to check whether Namenode is working?
How is security achieved in Hadoop?
Can you define inputsplit in hadoop?
What is LazyOutputFormat in Hadoop?
How can we create a hadoop cluster from scratch?
Can we use windows for hadoop?
What are the hadoop configuration files at present?
Where is hadoop-env.sh file present?
What is the difference between namenode and datanode in hadoop?
What does secondary name-node means?
Define a record reader?
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