Does this class need to have the mapper and reducer classes too? On Wed, Apr 1, 2009 at 1:52 PM, javateck javateck <[email protected]>wrote:
> you can run from java program: > > JobConf conf = new JobConf(MapReduceWork.class); > > // setting your params > > JobClient.runJob(conf); > > > On Wed, Apr 1, 2009 at 11:42 AM, Farhan Husain <[email protected]> wrote: > > > Can I get rid of the whole jar thing? Is there any way to run map reduce > > programs without using a jar? I do not want to use "hadoop jar ..." > either. > > > > On Wed, Apr 1, 2009 at 1:10 PM, javateck javateck <[email protected] > > >wrote: > > > > > I think you need to set a property (mapred.jar) inside hadoop-site.xml, > > > then > > > you don't need to hardcode in your java code, and it will be fine. > > > But I don't know if there is any way that we can set multiple jars, > since > > a > > > lot of times our own mapreduce class needs to reference other jars. > > > > > > On Wed, Apr 1, 2009 at 10:57 AM, Farhan Husain <[email protected]> > > wrote: > > > > > > > Hello, > > > > > > > > Can anyone tell me if there is any way running a map-reduce job from > a > > > java > > > > program without specifying the jar file by JobConf.setJar() method? > > > > > > > > Thanks, > > > > > > > > -- > > > > Mohammad Farhan Husain > > > > Research Assistant > > > > Department of Computer Science > > > > Erik Jonsson School of Engineering and Computer Science > > > > University of Texas at Dallas > > > > > > > > > > > > > > > -- > > Mohammad Farhan Husain > > Research Assistant > > Department of Computer Science > > Erik Jonsson School of Engineering and Computer Science > > University of Texas at Dallas > > > -- Mohammad Farhan Husain Research Assistant Department of Computer Science Erik Jonsson School of Engineering and Computer Science University of Texas at Dallas
