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.
On Sat, Jan 25, 2014 at 9:47 AM, Suresh S <[EMAIL PROTECTED]> 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
> 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.