What is InputSplit and RecordReader?
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How can you overwrite the replication factors in HDFS?
What is a Record Reader in hadoop?
How to Administering Hadoop?
What is the Use of SSH in Hadoop ?
Does hadoop always require digital data to process?
Do we need to give a password, even if the key is added in ssh?
What is a namenode? How many instances of namenode run on a hadoop cluster?
Explain the use of tasktracker in the hadoop cluster?
How will format the HDFS ?
What is a checkpoint?
Explain the difference between NameNode
What is difference between regular file system and HDFS?
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