Mention what are the three modes in which hadoop can be run?
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What is the role of the secondary namenode?
What the information segments utilized by hadoop are?
For using hadoop list the network requirements?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
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Mention what are the three modes in which hadoop can be run?
How many job tracker processes can run on a single Hadoop cluster?
List of the some best tools that can be useful for data-analysis?
How does job tracker schedule a job for the task tracker?
Which port does SSH work on?
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