Explain how can we change the split size if our commodity hardware has less storage space?
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How client application interacts with the NameNode?
How many instances of tasktracker run on a hadoop cluster?
How is the distance between two nodes defined in Hadoop?
What is InputSplit and RecordReader?
What stored in HDFS?
Explain the use of tasktracker in the hadoop cluster?
What is the difference between SQL and NoSQL?
Does google use hadoop?
Explain the difference between NameNode
Define a commodity hardware? Does commodity hardware include ram?
What is the best hardware configuration to run Hadoop?
How to enable/configure the compression of map output data in hadoop?
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