What is the command to change the replication factor ?
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What does rack awareness algorithm means and why is it utilized as a part of hadoop?
Which modes can Hadoop be run in? List a few features for each mode?
Explain the key benefits of using storm for real time processing?
What is the default replication factor in Hadoop and how will you change it?
Can we use windows for hadoop?
Define a record reader?
While starting hadoop services, datanode service is not running?
What happens in text format?
Which one is default?
Is it possible to rename the output file, and if so, how?
Compare Hadoop 2 and Hadoop 3?
Give me examples of unstructured data?
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