No, anti-affinity does not work that way. It allows to distribute nodes running the same process, but you can't separate nodes running different processes (i.e. master and workers).
Dmitry 2013/12/5 Arindam Choudhury <arin...@live.com> > Hi, > > Is it possible using anti-affinity to reserve a compute node only for > master(namenode+jobtracker)? > > Regards, > Arindam > > ------------------------------ > From: arin...@live.com > To: openstack-dev@lists.openstack.org > Date: Thu, 5 Dec 2013 12:52:23 +0100 > > Subject: Re: [openstack-dev] [savanna] Anti-affinity > > Hi, > > Thanks a lot for your reply. > > Regards, > > Arindam > > ------------------------------ > Date: Thu, 5 Dec 2013 15:41:33 +0400 > From: dmescherya...@mirantis.com > To: openstack-dev@lists.openstack.org > Subject: Re: [openstack-dev] [savanna] Anti-affinity > > Arindam, > > It is not achievable with the current Savanna. The anti-affinity feature > allows to run one VM per compute-node only. It can not evenly distribute > VMs in case the number of compute nodes is lower than the desired size of > Hadoop cluster. > > Dmitry > > > 2013/12/5 Arindam Choudhury <arin...@live.com> > > HI, > > I have 11 compute nodes. I want to create a hadoop cluster with 1 > master(namenode+jobtracker) with 20 worker (datanode+tasktracker). > > How to configure the Anti-affinty so I can run the master in one host, > while others will be hosting two worker? > > I tried some configuration, but I can not achieve it. > > Regards, > Arindam > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > _______________________________________________ OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > _______________________________________________ OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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