yeah. snickerdoodle. really.
> I see.. so if I have a cluster with n nodes, there is no way for me to > have > it spawn on just 2 of those nodes, or just one of those nodes? And > furthermore, there is no way for me to have it spawn on just a subset of > the > processors? Or am I misunderstanding? > > Also, when you say "specify the number of tasks for each node" are you > referring to specifying the number of mappers and reducers I can spawn on > each node? > > -SM > > On Sun, Sep 7, 2008 at 8:29 PM, Mafish Liu <[EMAIL PROTECTED]> wrote: > >> On Mon, Sep 8, 2008 at 2:25 AM, Sandy <[EMAIL PROTECTED]> wrote: >> >> > Hi, >> > >> > This may be a silly question, but I'm strangely having trouble finding >> an >> > answer for it (perhaps I'm looking in the wrong places?). >> > >> > Suppose I have a cluster with n nodes each with m processors. >> > >> > I wish to test the performance of, say, the wordcount program on k >> > processors, where k is varied from k = 1 ... nm. >> >> >> You can specify the number of tasks for each node in your >> hadoop-site.xml >> file. >> So you can get k varied from k = n, 2*n....m*n instead of k = 1...nm. >> >> >> > How would I do this? I'm having trouble finding the proper command >> line >> > option in the commands manual ( >> > http://hadoop.apache.org/core/docs/current/commands_manual.html) >> > >> > >> > >> > Thank you very much for you time. >> > >> > -SM >> > >> >> >> >> -- >> [EMAIL PROTECTED] >> Institute of Computing Technology, Chinese Academy of Sciences, Beijing. >> >
