Thats because its distributed processing framework over network
On Jan 14, 2013 11:27 AM, "Mark Olimpiati" <[EMAIL PROTECTED]> wrote:
> Hi, this is a simple question, but why wasn't map or reduce tasks
> programmed to be multi-threaded ? ie. instead of spawning 6 map tasks for 6
> cores, run one map task with 6 parallel threads.
> In fact I tried this myself, but turns that threading is not helping as it
> would be in regular java programs for some reason .. any feedback on this