What does ‘jps’ command do?
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How to resolve IOException: Cannot create directory
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Main Components of Hadoop?
What is rack-aware replica placement policy?
How do you define "block" in HDFS?
Explain how input and output data format of the hadoop framework?
Why is Apache Spark faster than Apache Hadoop?
Virtual Box & Ubuntu Installation?
What problems have you faced when you are working on Hadoop code?
Is it necessary to write jobs for hadoop in the java language?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
Define tasktracker.