> On Dec 15, 2015, at 1:37 PM, Ian Downes <[email protected]> wrote: > > Hello everyone, > > I'd like to propose adding the concept of exclusivity to resources. An > exclusive resource is a) not shared with any other task, b) employs > stronger isolation for more predictable performance, and c) is consequently > not oversubscribed (if enabled). In contrast to normal resources, exclusive > resources have greater resource priority while oversubscribed resources > have lower priority. > > This is aimed at generally supporting resources like cpu affinity, > container IPs, and guaranteed network bandwidth. > > Further details are in MESOS-4138 > <https://issues.apache.org/jira/browse/MESOS-4138> which links to a > proposal document. Please take a look and comment if you're interested in > this.
Thanks for sending this around Ian. One question that I had after reading this is who decides whether a Resource is exclusive? Does an agent advertise an exclusive Resource? or does a framework consume an offered Resource in exclusive mode? J
