I figure out source code, and havenot already found the format of hostname besides "*" But it should contains "rackname" + "hostname" .
在 2012年1月11日 下午4:47，raghavendhra rahul <raghavendhrara...@gmail.com>写道： > When i provide hostname for "*" then the containers are not alloted for > the application till its end. > Is there a format to specify the hostname > > > 2012/1/11 Bing Jiang <jiangbinglo...@gmail.com> > >> I think you can make control of allocated container, and check whether it >> meets your requirements. >> >> >> >> 2012/1/11 Vinod Kumar Vavilapalli <vino...@hortonworks.com> >> >>> Yes, you can. >>> >>> >>> http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html#Writing_an_ApplicationMaster >>> should give you a very good idea and example code about this. >>> >>> But, the requirements are not hard-fixed. If the scheduler cannot find >>> free resources on the nodes you mention, it will try to get containers >>> on a different node. Despite that, the total number of containers can >>> be controlled by limiting the count against the entry for "*". >>> >>> HTH, >>> +Vinod >>> >>> On Mon, Jan 9, 2012 at 10:12 PM, raghavendhra rahul >>> <raghavendhrara...@gmail.com> wrote: >>> > Hi all, >>> > I am trying to write an application master.Is there a way to specify >>> > node1: 10 conatiners >>> > node2: 10 containers >>> > Can we specify this kind of list using the application master???? >>> > >>> >> >> >> >> -- >> Bing Jiang >> Tel：(86)134-2619-1361 >> weibo: http://weibo.com/jiangbinglover >> BLOG: http://blog.sina.com.cn/jiangbinglover >> National Research Center for Intelligent Computing Systems >> Institute of Computing technology >> Graduate University of Chinese Academy of Science >> >> > -- Bing Jiang Tel：(86)134-2619-1361 weibo: http://weibo.com/jiangbinglover BLOG: http://blog.sina.com.cn/jiangbinglover National Research Center for Intelligent Computing Systems Institute of Computing technology Graduate University of Chinese Academy of Science
