Hi Nihal, Mesos makes decisions about resource allocation for frameworks based on the Dominant Resource Fairness (DRF) algorithm [1]. There are a couple different ways to affect the offers provided to a particular framework: you can assign a *quota* to the framework's role to give it a guarantee that certain resources will be available [2], you can assign a *weight* to the framework's role to tell the master to offer it more or less resources [3], or you can *reserve* certain resources so that they will only be offered to frameworks registered in a particular role [4].
Beyond this, Mesos also allows you to write a custom allocator module that allocates resources to frameworks in any way you choose [5]. Cheers, Greg [1] http://static.usenix.org/events/nsdi11/tech/full_papers/Ghodsi.pdf [2] http://mesos.apache.org/documentation/latest/quota/ [3] http://mesos.apache.org/documentation/latest/weights/ [4] http://mesos.apache.org/documentation/latest/reservation/ [5] http://mesos.apache.org/documentation/latest/allocation-module/ On Thu, Jun 9, 2016 at 12:16 PM, Nihal Harish <nihal42har...@gmail.com> wrote: > Hello, > > To gain a better understanding of offers made to a framework I ran the > following experiment: > > I made a simple framework that accepted and rejected offers based on > hostname. > The number of offers sent to the framework by the master changes based on > the choices made made by framework for previous resource Offer. > > How is the number of offers sent to the framework by the master determined? > And is there possibility of tweaking this? > > Regards, > Nihal > >
