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Benchmarking with VMmark on new hardware

Bruce Herndon tries out the VMmark on new hardware.

These two different disk configurations highlight some interesting tradeoffs and tuning opportunities exposed by VMmark. The single LUN configuration utilizing six disks has the benefit of providing high disk throughput for one VM at the expense of scalability if multiple disk-intensive VMs are running. On the other hand, creating multiple LUNs provides both good predictability and excellent scaling but limits the total throughput of any single VM by providing only a subset of the hardware resources to each one. From a benchmarking perspective, the multi-LUN approach is clearly better since it results in a higher overall score.

Honestly, we have reported several benchmarks and tools being used were either beta or some of them reported results that really didn't matter. VMware is also a member of the SPEC committee but still results like these speak volumes.

Benchmarking is not about VMware is better than Parallels is better that Xen is better than whatever. It is about telling the customer to be careful when applying and deploying certain scenarios. VMware is doing a pretty good job at it.

check out the VROOM! posting here.


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