What if rack 2 and datanode fails?
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More Apache Hadoop Interview Questions
What is HDFS ? How it is different from traditional file systems?
What is HDFS Federation?
What is the sequencefileinputformat in hadoop?
What's the best way to copy files between HDFS clusters?
Can we do online transactions(oltp) using hadoop?
Does hadoop always require digital data to process?
Explain the shuffle?
Explain the use of tasktracker in the hadoop cluster?
Why the name ‘hadoop’?
Name the examples of some companies that are using hadoop structure?
How is HDFS fault tolerant?
Explain a simple Map/Reduce problem.
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