What do shuffling do?
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What is Apache Hadoop YARN?
Which one is default InputFormat in Hadoop ?
Define a daemon?
Explain the use of tasktracker in the hadoop cluster?
What are the most commonly defined input formats in Hadoop?
What is the difference between Apache Hadoop and RDBMS?
What is Derby database?
What is the Use of SSH in Hadoop ?
How to change from su to cloudera?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Did you ever ran into a lop sided job that resulted in out of memory error
What is the default block size in hdfs?
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