What is a Task instance in Hadoop? Where does it run?1
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What is the purpose of button groups?
How does an hadoop application look like or their basic components?
What are the different methods to run Spark over Apache Hadoop?
What if a namenode has no data?
What infrastructure do we need to process 100 TB data using Hadoop?
Why are the number of splits equal to the number of maps?
Explain the hadoop configuration files at present?
How is hadoop different from other data processing tools?
On which port does ssh work?
What if rack 2 and datanode fails?
What is Hadoop?
Explain the features of fully distributed mode?
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