What hadoop does in safe mode?
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What are the steps to submit a Hadoop job?
What is the heartbeat used for?
What is nlineoutputformat?
What is Writable & WritableComparable interface?
What is difference between regular file system and HDFS?
What is a task instance in hadoop? Where does it run?
What are the modes in which Apache Hadoop run?
What is a spill factor with respect to the ram?
How to change replication factor of files already stored in HDFS?
Name the various types of lists supported by bootstrap.
Is hadoop based on google mapreduce?
Do we need to give a password, even if the key is added in ssh?
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