On Tue, Dec 08, 2015 at 08:27:32PM +0800, tommy xiao wrote: > "The current docker executor will waste a lot of > resources as it request one extra container." Guangya could you please > show the code?
It's the mesos-docker-executor I think, which just spawn `docker run` and wait, doesn't cost a lot of resource I think. -- Thanks, Chengwei > > 2015-12-08 16:00 GMT+08:00 Guangya Liu <[email protected]>: > > > Some comments in line. > > > > Thanks, > > > > Guangya > > > > On Tue, Dec 8, 2015 at 2:13 PM, Du, Fan <[email protected]> wrote: > > > > > > > > So why not use one executor to launch docker tasks? > > >> > > > > > > Each task resides(or runs to be more precisely) in its own docker > > > container, > > > Every docker container is an executor by its nature. > > > If you launch 6 instances of task, there will be 6 docker > > > containers(docker ps). > > > > > > I'm not sure what's the intention of "use one executor to launch docker > > > tasks", > > > and how to do this. > > > > The Kubernetes+Mesos is using such logic, it is using one executor to > > manage all of the pods on one slave host, this can definitely reduce the > > resource usage overhead. The current docker executor will waste a lot of > > resources as it request one extra container. > > > > > > > > > > > On 2015/12/8 14:05, Klaus Ma wrote: > > > > > >> Hi team, > > >> > > >> Currently, if we run docker in mesos, we'll start docker-executor, > > "docker > > >> run" and container in slave hosts. So why not use one executor to launch > > >> docker tasks? One reason I can image is compatibility of docker API. If > > >> there're thousands of tasks in a powerful task, do you get docker > > startup > > >> performance issue? > > >> > > >> ---- > > >> Da (Klaus), Ma (马达) | PMP® | Advisory Software Engineer > > >> Platform Symphony/DCOS Development & Support, STG, IBM GCG > > >> +86-10-8245 4084 | [email protected] | http://k82.me > > >> > > >> > > > > > > -- > Deshi Xiao > Twitter: xds2000 > E-mail: xiaods(AT)gmail.com
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