Does Hadoop capacity scheduler support preemption in this scenario? Based on what Vinod says, the preemption seems to be supported by configuration. If so, can someone point me an instruction to do that? The preemption would really be helpful for my use-case. thanks.
On Fri, Feb 21, 2014 at 12:39 AM, Vinod Kumar Vavilapalli <[email protected]> wrote: > > Yes, it does take those extra resources away back to queue B. How quickly it > takes them away depends on whether preemption is enabled or not. If > preemption is not enabled, it 'takes away' as and when containers from queue > A start finishing. > > +Binod > > On Feb 19, 2014, at 5:35 PM, Alex Nastetsky <[email protected]> wrote: > > Will the scheduler take away the 10% from queue B and give it back to queue > A even if queue B needs it? If not, it would seem that the scheduler is > reneging on its guarantee. > > > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader of > this message is not the intended recipient, you are hereby notified that any > printing, copying, dissemination, distribution, disclosure or forwarding of > this communication is strictly prohibited. If you have received this > communication in error, please contact the sender immediately and delete it > from your system. Thank You.
