Ideally what should be the block size in hadoop?
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How can one write custom record reader?
What are the actions followed by hadoop?
What does the high availability of a name-node means? How is it accomplished?
List some use cases where classification machine learning algorithms can be used.
Explain is it possible to search for files using wildcards?
What is High Availability feature in Hadoop2?
What type of data hadoop can handle ?
How many InputSplits will be made by hadoop framework?
What is the key difference between NameNode and DataNode in Hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how?
What happen on the namenode when a client tries to read a data file?
What is a commodity hardware? Does commodity hardware include RAM?
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