What do you mean by the NameNode High Availability in hadoop?
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Clarify how job tracker schedules an assignment?
what happens when namenode goes down during file read operation in hadoop?
What is the use of cloudera?
How many InputSplits will be made by hadoop framework?
What is a record reader?
How namenode handles data node failures?
Can you give a detailed overview about the Big Data being generated by Facebook?
What is the hadoop-core configuration?
Explain what is sequencefileinputformat?
Can we change the file cached by distributed cache
What a task tracker is in hadoop?
What are the features of Fully-Distributed mode?
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