Jim is right. Since the functions specified by ChainMapper are all done in the same context, I htink you could write your Mapper and reducer to perform the same functionality. Additionally, you could chain jobs, though that will require a spill.
On Mon, Jul 16, 2012 at 5:05 PM, Jim Klucar <[email protected]> wrote: > Juan, > I believe the mapreduce API is the newer one. > > > Sent from my iPhone > > On Jul 16, 2012, at 5:04 PM, Juan Moreno <[email protected]> > wrote: > > Hi there, I have a use case where I need to use a Chain Mapper and/or > Reducer. The problem is that > the AccumuloInputFormat extends hadoop.mapreduce.InputFormat rather than > implementing hadoop.mapred.InputFormat > > Trying to make use of *org.apache.hadoop.mapred.lib.ChainMapper* > does not work because it requires the use of the mapred package. Is there > a version of the AccumuloInputFormat which uses > the hadoop.mapred package instead? Can InputFormatBase be rewritten with > the newer API? > > Thanks! > Juan > >
