Is fs.mapr.working.dir a single directory?
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Can you explain how do ‘map’ and ‘reduce’ work?
What is 'Key value pair' in HDFS?
What are the four characteristics of Big Data?
What is MapFile?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
Explain the features of stand alone (local) mode?
How we can change Replication factor when Data is on the fly?
Should we use RAID in Hadoop or not?
Name the various types of lists supported by bootstrap.
What is the best hardware configuration to run Hadoop?
What does the command mapred.job.tracker do?
What is the difference between hadoop and other data processing tools?