Explain what happens in textinformat ?
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What are sink processors?
How will format the HDFS ?
What happens in a textinputformat?
What is difference between regular file system and HDFS?
Rack awareness of Namenode?
Explain the core components of hadoop?
How many JVMs run on a slave node?
How to write a Custom Key Class?
what factors the block size takes before creation?
What is partioner in hadoop? Where does it run,mapper or reducer?
What are the hadoop's three configuration files?
What are the two main parts of the hadoop framework?
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