Here's my next question, then: within the Mapper itself, how do I know the source SequenceFile of the VectorWritable I'm currently holding, A or B?
On Tue, Aug 3, 2010 at 1:33 PM, Ted Dunning <[email protected]> wrote: > Well if both vectors are the same size, then a map-reduce on vector number > is the natural solution here. > > Map-side reduce is only useful when one or the other operand is relatively > small. > > On Tue, Aug 3, 2010 at 10:12 AM, Shannon Quinn <[email protected]> wrote: > > > but how to gain access > > to the two original vectors at the same time is beyond me. > > >
