What are active and passive "NameNodes"?
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Where is the Mapper Output stored?
What is the difference between hadoop and other data processing tools?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
what is SPF?
Which is the best hadoop certification?
What is InputSplit and RecordReader?
How the HDFS Blocks are replicated?
Is hadoop based on google mapreduce?
What are the steps to submit a Hadoop job?
What are the functions of NameNode?
Name the examples of some companies that are using hadoop structure?
What is a speculative execution in Apache Hadoop MapReduce?
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