thanks gong and sandy for your brief and clear explanation. really helps ----------------------------------------------------------------- 韦远科 中国科学院 计算机网络信息中心 北京市海淀区中关村南四街四号 349信箱(100190)
Yuanke Wei (Wei) Computer Network Information Center,Chinese Academy of Sciences 4 Zhongguancun Nansijie, Haidian District, Beijing 100190, China P.O. Box 349 gtalk: weiyuanke...@gmail.com msn: weiyuanke...@hotmail.com On Tue, Oct 30, 2012 at 7:43 PM, gong yong sheng <gong...@linux.vnet.ibm.com > wrote: > Following is my understanding: > usage: > scheduler queue is used for compute api server. For example of nova boot, > API server will send a msg to scheduler queue for a booting > scheduler_*fanout_xxxx is used for services to report service capability. > For example, nova compute *will use scheduler_fanout to publish its > capabilities. > > scheduler.{hostname} seemingly is not used now. > we can deploy many schedulers into a Openstack cloud. All the schedulers > will listen on scheduler msg queue. AMQP server (rabbitmq) will adopt round > robin way to > dispatch the msg to these schedulers. But since the capabilities are fan > outed, all the schedulers can receive these capabilities. > > > On 10/30/2012 06:55 PM, 韦远科 wrote: > > hi all, > > I read into the source code for nova-scheduler and found there actually > exists three msg queues, like > "scheduler" > "scheduler.node70" > "scheduler_*fanout_bd738fedcdf344d9bb3cb580657f54e0*". > > what's the functions for each queue and are there connections?? > > > thanks, > > > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > >
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