We are designing private cloud using Openstack. Currently we have using 6 rack servers. How relevant will it be to calculate FLOPS? What benchmarks do I use for this purpose?
i dont think FLOPS would make much sense in terms of cloud Computing. there are other parameters also that needs to be taken care.
Please see this :
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3180542/
FLOPS (Floating Point Operations Per Second) is a measure of how much mathematical operations one processor/system can do at its maximum efficiency.
There indeed are some means to calculate cumulative FLOPS in a computer grid, or a private cloud, or a bunch of virtual instances: you can use High performance Linpack to measure the raw number crunching power of your cloud.
As for whether it would be relevant - the answer is that it will be relevant only if you do some heavy number crunching. If your cloud is to do more mundane tasks such as serving some SaaS, IaaS or mostly just holding some data - in that case you should worry about other things instead of raw CPU power: storage computing, deployment, security, elasticity, hypervisor support, multi-tenancy, load-balancing optimizations, integration with storage technologies, security... all these things are much more important than high FLOPS count - unless, of course, you are deploying cloud primarily for intensive mathematical computations.
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