I'm not familiar with the current roadmap for 0.20, but is there any plan to backport the new mapreduce.lib.aggregate library into 0.20.x?
I suppose our team could attempt to use the patch ourselves, but we'd be much more comfortable going with a standard release if at all possible. On Sun, Feb 7, 2010 at 10:41 PM, Amareshwari Sri Ramadasu < [email protected]> wrote: > Org.apache.hadoop.mapred.lib.aggregate has been ported to new api in branch > 0.21. > See http://issues.apache.org/jira/browse/MAPREDUCE-358 > > Thanks > Amareshwari > > On 2/7/10 5:34 AM, "Meng Mao" <[email protected]> wrote: > > From what I can tell, while the ValueAggregator stuff should be useable, > the > ValueAggregatorJob and ValueAggregatorJobBase classes still use the old > Mapper and Reducer signatures, and basically aren't compatible with the new > mapreduce.* API. Is that correct? > > Has anyone out there done a port? We've been dragging our feet very hard > about getting away from use of deprecated API for our classes that take > advantage of the aggregate lib. It would be a huge boost if there was any > stuff we could borrow to port over. > >
