Hi ALL,
I need some help on Map/Reduce, For example, in Indexer.java, what's
InputFormat(), OutputFormat(), reduce() do. I try to compare this with an easy
example in hadoop such as WordCount.java, but still didn't get it. Like why in
WordCount we have to define map() but not in Indexer.java. Basically if ANYONE
can give me some detail explaination and a big picture will help me out a LOT!!
THANKS ~~
William
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