Can you tell us more about ssh?
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Why are the number of splits equal to the number of maps?
How does a namenode handle the failure of the data nodes?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
what is SPF?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
How to configure hadoop to reuse JVM for mappers?
What is the difference between hadoop and other data processing tools?
How to change from su to cloudera?
What is HDFS ? How it is different from traditional file systems?
How can we check whether namenode is working or not?
What is 'Key value pair' in HDFS?
What is the difference between SQL and NoSQL?