Rack awareness of Namenode?
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What are the additional benefits YARN brings in to Hadoop?
Define tasktracker.
What are the Basics of Hadoop?
Which are the two types of 'writes' in HDFS?
How does an hadoop application look like or their basic components?
What is HDFS - Hadoop Distributed File System?
What is the meaning of speculative execution in Hadoop? Why is it important?
What is a heartbeat in HDFS?
On What concept the Hadoop framework works?
What is the difference between rdbms and hadoop?
How client application interacts with the NameNode?
What is nlineoutputformat?
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