What does /etc /init.d do?
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what are Task Tracker and Job Tracker?
On what basis data will be stored on a rack?
What do slaves consist of?
What is a checkpoint?
What is the meaning of speculative execution in Hadoop? Why is it important?
How hdfa differs with nfs?
How to change from su to cloudera?
What is the difference between traditional RDBMS and Hadoop?
Where is the Mapper Output intermediate kay-value data stored ?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
What is Rack awareness?
What is a task instance in hadoop? Where does it run?
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