Can we use the TaskTracker just for once? when the tasks that assigned to the tasktracker are done, kill it and release the resource. And when there are new resource offers comming, launch a new TaskTracker to do the rest of the tasks.
> -----原始邮件----- > 发件人: "Vinod Kone" <[email protected]> > 发送时间: 2014年1月28日 星期二 > 收件人: dev <[email protected]> > 抄送: "[email protected]" <[email protected]> > 主题: Re: Re: Please Help me about hadoop on Mesos > > On Mon, Jan 27, 2014 at 10:07 AM, HUO Jing <[email protected]> wrote: > > > So, at the very beginning, if all the resource are assigned to hadoop, and > > after that, there are always enough jobs in jobtracker, is that meanning > > that the other framework will never get resource? > > Is it fair to do so ? > > > > That is correct. Currently there is no concept of pre-emption of resources > in mesos. While this is likely to change in the future, in the short term > you could reserve resources to frameworks (see --resources on ./slave > --help) to avoid starvation.
