What do sorting do?
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how would you modify that solution to only count the number of unique words in all the documents?
What is a Combiner?
What is Row Key?
How many Daemon processes run on a Hadoop system?
What do you know about nlineoutputformat?
How does an hadoop application look like or their basic components?
What is Writable & WritableComparable interface?
How can we change the split size if our commodity hardware has less storage space?
What is a heartbeat in HDFS?
How to change from su to cloudera?
What do masters consist of?
Define a metadata?
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