[openstack-dev] [savanna] Anti-affinity

Dmitry Mescheryakov dmescheryakov at mirantis.com
Thu Dec 5 11:41:33 UTC 2013


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.


2013/12/5 Arindam Choudhury <arindam at 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
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