Actually, if you care about being binary compatible b/w hadoop-1 and hadoop-2, stay with "old" mapred API.
On Apr 25, 2013, at 10:04 AM, Sandy Ryza wrote: > Hi Kevin, > > JobClient/JobConf is the "old" mapred API and Job/Configuration is the > improved "new" API, so in general the latter is preferred. > > -Sandy > > > On Thu, Apr 25, 2013 at 5:27 AM, Kevin Burton <rkevinbur...@charter.net> > wrote: > I notice that in some beginning texts on starting a Hadoop MapReduce job > sometimes JobClient/JobConf is used and sometimes Job/Configuration is used. > I have yet to see anyone comment on the features/benefits of either set of > methods. Could someone comment on their preferred method for starting a > MapReduce job from a Java program? > > > > Thank you. > > -- Arun C. Murthy Hortonworks Inc. http://hortonworks.com/