On Fri, Mar 31, 2006 at 06:17:48PM +0100, Doug Cutting (JIRA) wrote: > > This is the way it is supposed to work. From the MapReduce paper: > > map (k1,v1) ! list(k2,v2) > reduce (k2,list(v2)) ! list(v2) > > I.e., the input keys and values are drawn from a different > domain than the output keys and values. Furthermore, > the intermediate keys and values are from the same domain > as the output keys and values. > > I am closing this bug. If someone feels strongly that we should extend the > MapReduce model in this direction, then we can re-open it. But, as it > stands, things work as intended. >
I agree with you. If you need to change keys, run a second map-reduce phase. -- Andrew McNabb http://www.mcnabbs.org/andrew/ PGP Fingerprint: 8A17 B57C 6879 1863 DE55 8012 AB4D 6098 8826 6868
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