Why cloudera is used?
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Explain the difference between an inputsplit and a block?
What are the port numbers of namenode?
What are the network requirements for hadoop?
What does secondary name-node means?
What are the modes in which Hadoop run?
Explain the usage of Context Object?
When and how to create hadoop archive?
Is Namenode machine same as DataNode machine as in terms of hardware?
What is rack awareness in hadoop?
Compare Apache Hadoop and Apache Spark?
Mention how hadoop is different from other data processing tools?
What does rack awareness algorithm means?
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