I am using the wordcount example that comes along with hadoop. How can I configure it to make it use multiple reducers. I guess mutiple reducers will make it run more fast .. Does it ??
On Fri, May 20, 2011 at 6:51 PM, James Seigel Tynt <[email protected]> wrote: > The job could be designed to use one reducer > > On 2011-05-20, at 7:19 AM, praveenesh kumar <[email protected]> wrote: > > > Hello everyone, > > > > I am using wordcount application to test on my hadoop cluster of 5 nodes. > > The file size is around 5 GB. > > Its taking around 2 min - 40 sec for execution. > > But when I am checking the JobTracker web portal, I am seeing only one > > reducer is running. Why so ?? > > How can I change the code so that I will run multiple reducers also ?? > > > > Thanks, > > Praveenesh >
