What do shuffling do?
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Is hadoop the future?
How we can take Hadoop out of Safe Mode?
What stored in HDFS?
Name some companies that use Hadoop?
What is the InputFormat ?
What is Writable & WritableComparable interface?
What is Partioner in hadoop? Where does it run
What is difference between split and block in hadoop?
How to enable trash/recycle bin in hadoop?
Which data storage components are used by hadoop?
Should we use RAID in Hadoop or not?
what is difference between int and intwritable?
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