Afaik mesos is much more flexible than fleet, which is the scheduling system on Coreos
If you can successfully schedule your workloads with fleet you don't need mesos. If not mesos can do more than fleet. Sent from my iPhone > On Jan 18, 2015, at 10:29 AM, Victor L <vlyamt...@gmail.com> wrote: > > Hope this helps some > It doesn't as it doesn't even try to answer my question. Let me re- phrase > it: what does mesos on the coreos cluster do that coreos itself doesn't do > already? > >> On Sun, Jan 18, 2015 at 10:00 AM, Jason Giedymin <jason.giedy...@gmail.com> >> wrote: >> The value of coreos that immediately comes to mind since I do much work with >> these tools: >> >> - the small foot print, it is a minimal os, meant to run containers. So it >> throws everything not needed for that out. >> - containers are the launch vehicle, thus deps are in container land. I can >> run and test containers with ease, not having to worry about multiple OSes. >> - with etcd and fleet, coordinating the launch and modification of both >> machines and cluster make it a breeze. Allowing you to do dynamic mesos >> scaling up or down. I add nodes at will, across multiple cloud platforms, >> ready to launch multitude of containers or just mesos. >> - security. There is a defined write strategy. You cannot write willy nilly >> to any location. >> - all the above further allow auto OS updates, which is supported today on >> all platforms that deploy coreos. This means more frequent updates since the >> os is minimal, which should increase the security effectiveness when >> compared to big box superstore OSes like Redhat or Ubuntu. Some platforms >> charge quite a bit for managed updates of this frequency and level of >> testing. >> >> Coreos allows me to keep apps in a configured container that I trust, >> tested, and works time and time again. >> >> I see coreos as a compliment. >> >> As a fyi I'm available for questions, debugging, and client work in this >> area. >> >> Hope this helps some, from real world usage. >> >> Sent from my iPad >> >> > On Jan 18, 2015, at 9:16 AM, Victor L <vlyamt...@gmail.com> wrote: >> > >> > I am confused: what's the value of mesos on the top of coreos cluster? >> > Mesos provides distributed resource management, fault tolerance, etc., but >> > doesn't coreos provides the same things already? >> > Thanks >
