What does ‘jps’ command do?
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How to change from su to cloudera?
Define a task tracker?
What is the heartbeat used for?
How to exit the vi editor?
Explain what is sqoop in Hadoop ?
what should be the ideal replication factor in hadoop?
What is 'Key value pair' in HDFS?
What is Derby database?
What Mapper does?
What do the master class and the output class do?
How to change replication factor of files already stored in HDFS?
What is speculative execution in Hadoop?
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