On Jun 2, 2007, at 1:15 PM, Phantom wrote:
Is there a way to chain Map/Reduce tasks ? What I mean is I want the output a MapReduce task to serve as input to another MapReduce task ? Could someoneplease show me how I can acheive this ?
There is an example of this in the Grep example, but it is the most common idiom. The only serious problem with it is that the text input formats are not symmetric, so you pretty much want to use the sequence file input format.
-- Owen
