Thats because its distributed processing framework over network On Jan 14, 2013 11:27 AM, "Mark Olimpiati" <markq2...@gmail.com> 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 > topic? > > Thanks, > Mark >
