How hard would it be to implement own version using the mapred API ? Would I have to do something as complex as InputFormatBase ? (It's a mammoth class) On Jul 16, 2012 5:53 PM, "William Slacum" <[email protected]> wrote:
> mapred was deprecated as of 0.20.0 ( > http://hadoop.apache.org/common/docs/r0.20.0/api/org/apache/hadoop/mapred/InputFormat.html) > :) > > On Mon, Jul 16, 2012 at 2:49 PM, Juan Moreno <[email protected] > > wrote: > >> The hadoop API is very confusing in that regard. Currently Accumulo runs >> atop 0.20 and in that version , mapred is the new one and mapreduce is the >> old one. InputFormat currently makes use of mapreduce. >> On Jul 16, 2012 5:40 PM, "Billie J Rinaldi" <[email protected]> >> wrote: >> >>> On Monday, July 16, 2012 5:27:09 PM, "Ed Kohlwey" <[email protected]> >>> wrote: >>> > I would suggest spending the effort porting chainmapper to the new API >>> > (mapreduce) since the old API will eventually be removed. >>> >>> I assumed that would be true since the old API was deprecated, and that >>> is why we no longer support it. However, the old API has been undeprecated >>> since 0.20.205.0 and 1.0.0, which seems to indicate it's not going away. >>> Does anyone know what the plan for it is? >>> >>> Billie >>> >>> >>> > Sent from my smartphone. Please excuse any typos or shorthand. >>> > On Jul 16, 2012 5:22 PM, "Billie J Rinaldi" < >>> > [email protected] > wrote: >>> > >>> > >>> > On Monday, July 16, 2012 5:02:52 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 >>> > >>> > I opened ACCUMULO-695 to add support for the old mapred API. >>> > >>> > Billie >>> >> >
