On Sun, Jul 3, 2011 at 9:41 AM, XiaoboGu <guxiaobo1...@gmail.com> wrote: >> Hi, >> >> Do we have to run multiple task trackers when running multiple data nodes on >> a single >> computer? >> >> Regards, >> >> Xiaobo Gu >>
Do we _have_ to? --> No, its a matter of your choice if you want MapReduce daemons running along. They are not coupled. Regd. your original question, what's the string of "$DN_CONF_OPTS" being passed? -- Harsh J
