What happen if a datanode loses network connection for a few minutes?
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What did mean by data-node?
What are the limitations of Hadoop?
Which object can be used to get the progress of a particular job
How to add/delete a Node to the existing cluster?
Mention what does the text input format do?
Why cloudera is used?
Define a udf?
What is Mapper? How can we compress Mapper output in Hadoop?
Explain the usage of Context Object?
What is the best practice to deploy the secondary name node?
What is the default replication factor in Hadoop and how will you change it?
Is it possible to provide multiple input to Hadoop? If yes then how?
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