How we can change Replication factor when Data is on the fly?
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How many Daemon processes run on a Hadoop system?
On what basis data will be stored on a rack?
What is Hadoop Custom partitioner ?
What is 'Key value pair' in HDFS?
How the Client communicates with HDFS?
What is the difference between Apache Hadoop and RDBMS?
What is difference between regular file system and HDFS?
What is Writable & WritableComparable interface?
Rack awareness of Namenode?
What is inputformat in hadoop?
What do you know about keyvaluetextinputformat?
What is HDFS High Availability?
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