Keren, The map side join can be implementes using CompositeInputFormat or DistributedCache.
If u googled these two words you can find some implementations. Hope that it helps. Em sexta-feira, 29 de agosto de 2014, Keren Ouaknine <ker...@gmail.com> escreveu: > Hi, > > I am looking for implementations of a simple two way join algorithm based > on the new api (mapreduce) map-side join and reduce-side join. (cause one > join has two large datasets and the other has a large and a small dataset > so that would map to reduce side-join and map-side join respectively). > > I started with the Def Guide book, but it doesn't have a map-side example > (just explanations on the algorithm). I looked on the web and found > examples of three way-joins only. > > Any pointers? > > Thanks, > Keren > > -- > Keren Ouaknine > www.kereno.com >