How is the distance between two nodes defined in Hadoop?
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Define a combiner?
Define a task tracker?
What platform and java version are required to run hadoop?
How is security achieved in Apache Hadoop?
what are Task Tracker and Job Tracker?
Where is the Mapper Output intermediate kay-value data stored ?
What are the two main components of ResourceManager?
On what basis name node distribute blocks across the data nodes?
What does ‘jps’ command do?
What are the core components of Apache Hadoop?
What is a heartbeat in HDFS?
What is the process to change the files at arbitrary locations in HDFS?
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