Have you ever used Counters in Hadoop. Give us an example scenario?
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Is fs.mapr.working.dir a single directory?
Give the use of the bootstrap panel.
How can we change the split size if our commodity hardware has less storage space?
What is InputSplit and RecordReader?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
Define a job tracker?
What is Writable & WritableComparable interface?
What is the port number for NameNode
What hadoop does in safe mode?
What is the jobtracker and what it performs in a hadoop cluster?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
How can I install Cloudera VM in my system?