Also, it's advantageous for mesos to be aware of a hard deadline when it comes to resource allocation. We know that some resources will free up and can make better decisions when it comes to pre-emption, for example. Currently, mesos doesn't know if a task will run forever or will run to completion.
On Fri, Mar 23, 2018 at 10:07 AM, James Peach <jpe...@apache.org> wrote: > > > > On Mar 23, 2018, at 9:57 AM, Renan DelValle <renanidelva...@gmail.com> > wrote: > > > > Hi Zhitao, > > > > Since this is something that could potentially be handled by the > executor and/or framework, I was wondering if you could speak to the > advantages of making this a TaskInfo primitive vs having the executor (or > even the framework) handle it. > > There's some discussion around this on https://issues.apache.org/ > jira/browse/MESOS-8725. > > My take is that delegating too much to the scheduler makes schedulers > harder to write and exacerbates the complexity of the system. If 4 > different schedulers implement this feature, operators are likely to need > to understand 4 different ways of doing the same thing, which would be > unfortunate. > > J
