<div dir="ltr"><div><div><div>Hi all,<br><br>I notice in ops guide [1], it mentioned that whether to enable hyper-threading depends on use case.<br><br></div>I'd like to hear some real world experience on this topic. Do you enable hyper-threading in your openstack cluster? Does it matter at all for your use case?<br>
<br></div>My current use case is java based web app and node.js based web app. Both facing internet users with potentially high concurrency. The cpu on nova-compute node is E5-2620x2, 24 cores with HT on.<br><br></div><div>
I also want to know whether there exists some comprehensive and practical benchmark application to test CPU, disk IO, database performance etc on ubuntu platform. Or do I have to fall back to the traditional tools like ab, fio etc.<br>
<br></div><div>Thanks,<br>Yuanle<br></div><div><br>[1] <a href="http://docs.openstack.org/trunk/openstack-ops/content/cpu_choice.html">http://docs.openstack.org/trunk/openstack-ops/content/cpu_choice.html</a><br></div></div>