Mention how hadoop is different from other data processing tools?
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Explain in which directory hadoop is installed?
Mention how many inputsplits is made by a hadoop framework?
Define a record reader?
Explain what is speculative execution?
How to specify more than one path for storage in Hadoop?
What is the number of default partitioner in hadoop?
Can you explain bloommapfile.
What is structured and unstructured data?
What is the default replication factor and how will you change it?
What is High Availability feature in Hadoop2?
what is next step after mapper or maptask?
What is the use of recordreader in hadoop?
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