Hi Suresh, The schedulers used in MR1 are not compatible with the schedulers used in MR2 / YARN. Check out ResourceScheduler.java for the updated interface.
I believe that speculative execution still works the same way. -Sandy On Sat, Jan 25, 2014 at 9:47 AM, Suresh S <suresh...@gmail.com> wrote: > Hello Friends, > > I have the following doubts. > > Is the schedulers(Capacity Scheduler, Fair Scheduler, etc ) used in MR 1.x > are compatible with 2.x ? > > If it is not compatible means, what are the > changes/modifications/difference between them? > > I am working to implement a modified delay scheduling in HFS for 1.x > version. > How it could be modified for 2.x versions? > > What about Speculative Execution in MRv2. Is the any changes? > > Help me in this regard. Thanks in advance. > > *Regards* > *S.Suresh,* > *+91-9941506562* >