Is hadoop obsolete?
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Define a combiner?
Can we call vms as pseudos?
Which one is default InputFormat in Hadoop ?
How Mapper is instantiated in a running job?
What is the main purpose of HDFS fsck command?
Why do we need a password-less ssh in fully distributed environment?
How can I install Cloudera VM in my system?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
What is HDFS ? How it is different from traditional file systems?
What is a Task instance in Hadoop? Where does it run?1
shouldn't DFS be able to handle large volumes of data already?
What exactly is hadoop?
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