Why Hadoop performs replication, although it results in data redundancy?
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is there a standard procedure to deploy hadoop?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
How is the splitting of file invoked in Hadoop ?
What is the most widely recognized info formats characterized in hadoop?
What are the features of Standalone (local) mode?
Can you explain sequence file in hadoop?
What does rack awareness mean?
What does secondary name-node means?
What are the actions followed by hadoop?
Mention how many inputsplits is made by a hadoop framework?
Explain the common input formats in hadoop?
what is next step after mapper or maptask?
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