i am dealing with multiple mappers and 1 reducer. so which is best?
On Tue, Nov 5, 2013 at 6:28 PM, Chris Mawata <[email protected]> wrote: > If you have multiple reducers you are doing it in parallel while in the > driver it is surely single threaded so my bet would be on the reducers. > > Chris > > > On 11/5/2013 6:15 AM, unmesha sreeveni wrote: > > I am emiting 'A' value and 'B' value from reducer. > > I need to do further calculations also. > which is a better way? > 1. Do all remamining computations within reducer , after emiting > or > 2.Do remaining computation In driver: read A and B value from part file > and do further computations. > > Pls suggest a better way. > > -- > *Thanks & Regards* > > Unmesha Sreeveni U.B > > *Junior Developer * > > *Amrita Center For Cyber Security * > > > * Amritapuri. www.amrita.edu/cyber/ <http://www.amrita.edu/cyber/> * > > > -- *Thanks & Regards* Unmesha Sreeveni U.B *Junior Developer* *Amrita Center For Cyber Security* * Amritapuri.www.amrita.edu/cyber/ <http://www.amrita.edu/cyber/>*
