What are the limitations of Hadoop?
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What is Distributed Cache in Hadoop?
How job tracker schedules an assignment?
What is Fault Tolerance?
What is the command to change the replication factor ?
Do we require two servers for the namenode and the datanodes?
What are the most common OutputFormat in Hadoop?
Can you explain bloommapfile.
How to do ‘map’ and ‘reduce’ works?
What is the role of the secondary namenode?
Are job tracker and task trackers present in separate machines?
Explain what is storage and compute nodes?
If DataNode increases, then do we need to upgrade NameNode?
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