What is HDFS ? How it is different from traditional file systems?
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How is HDFS fault tolerant?
What is nlineoutputformat?
What is the best hardware configuration to run Hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Explain why the name ‘hadoop’?
What does /etc /init.d do?
What do slaves consist of?
Explain the features of stand alone (local) mode?
How to exit the vi editor?
How to enable/configure the compression of map output data in hadoop?
what factors the block size takes before creation?
What is a task instance in hadoop? Where does it run?
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