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<body class='hmmessage'><div dir='ltr'>Hi,<br><br>Is it possible using anti-affinity to reserve a compute node only for master(namenode+jobtracker)?<br><br>Regards,<br>Arindam<br><br><div><hr id="stopSpelling">From: arindam@live.com<br>To: openstack-dev@lists.openstack.org<br>Date: Thu, 5 Dec 2013 12:52:23 +0100<br>Subject: Re: [openstack-dev] [savanna] Anti-affinity<br><br>
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<div dir="ltr">Hi,<br><br>Thanks a lot for your reply.<br><br>Regards,<br><br>Arindam<br><br><div><hr id="ecxstopSpelling">Date: Thu, 5 Dec 2013 15:41:33 +0400<br>From: dmescheryakov@mirantis.com<br>To: openstack-dev@lists.openstack.org<br>Subject: Re: [openstack-dev] [savanna] Anti-affinity<br><br><div dir="ltr">Arindam,<div><br></div><div>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.</div>
<div><br></div><div>Dmitry</div></div><div class="ecxgmail_extra"><br><br><div class="ecxgmail_quote">2013/12/5 Arindam Choudhury <span dir="ltr"><<a href="mailto:arindam@live.com" target="_blank">arindam@live.com</a>></span><br>
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<div><div dir="ltr">HI,<br><br>I have 11 compute nodes. I want to create a hadoop cluster with 1 master(namenode+jobtracker) with 20 worker (datanode+tasktracker).<br><br>How to configure the Anti-affinty so I can run the master in one host, while others will be hosting two worker?<br>
<br>I tried some configuration, but I can not achieve it.<br><br>Regards,<br>Arindam<br> </div></div>
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