Web Processing Performance Sun Modular Datacenter (Sun MD) S20
Thursday Jan 31, 2008
The Sun Modular Datacenter S20 configured with Sun SPARC Enterprise T5120 servers demonstrated superior performance/watt and performance/space compared to Dell servers using Xeon quad-core processors.
The Sun Modular Datacenter S20 fully configured with the 102 Sun SPARC Enterprise T5120, each with a single UltraSPARC T2, can deliver nearly 455,000 web processing operations/second.
- The Sun Modular Datacenter S20 fully configured with the Sun SPARC Enterprise T5120 systems only requires 160 square feet of space. By comparison, a configuration of Dell servers with 2.66GHz Xeon 5355 in 160 square feet of traditional datacenter space constrained to 150 Watts/square foot would achieve only about 57,500 web processing operations/second. To achieve the same level of performance with the Dell configuration in a traditional datacenter, over 1250 square feet would be needed.
- The Sun SPARC Enterprise T5120s configured in a Sun Modular Datacenter S20 are very efficient in terms of space-performance. A Sun Modular Datacenter S20 fully-configured with Dell servers with 2.66GHz Xeon 5355 would only be able to provide about 1/3 of the web processing performance of a Sun Modular Datacenter fully-configured with Sun SPARC Enterprise T5120 servers with UltraSPARC T2.
- A Sun Modular Datacenter S20 provides 2840 web-processing-ops/sec/sq-ft vs. a traditional datacenter of Dell servers which provides only 365 web processing-ops/sec/sq-ft.
- The Sun Modular Datacenter S20 is very efficient at cooling. Using the same Sun hardware, the Sun Modular Datacenter S20 is 40% more efficient. This translates into a savings of 1459 metric tons over 5 years.
Due to Sun Modular Datacenter's integrated, high-efficiency power and cooling of up to 25kW per rack, servers, disks and switches can be racked more densely than a traditional datacenter.
Many traditional datacenters are constrained to 150 Watts/square foot, this was used in the above estimates.
BM Seeer: I'll be adding more of the background numbers and calculations when I can find a public version of them, if you are a customer contact Sun and I'm sure you can get versions before I can post them.
Benchmark Description
Web processing performance is based on internal analysis of web processing workloads. The workloads simulates multiple user web sessions accessing a web server via static and dynamic HTTP (contains both HTTP and HTTPS transactions) and is reported as web operations per second.
System Configuration & Results
| Results | 455,000 web ops/sec | |
| Reference Date: | January 29, 2008 | |
| System: | 1 x Sun Modular Datcenter S20 | |
| Servers: | 102 x Sun SPARC Enterprise T5120 | |
| Total Number Processors: | 102 chips / 816 cores (8 threads/core) | |
| Processor/GHz Server: | Sun UltraSPARC T2 1.4 GHz, 64GB | |
| Operating System: | Solaris 10 | |
| Software: | Sun JSWS 7.0 Update 2 |
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Storage & Network
- 6 x Sun StorageTek 3510 (Dual-raid controller)
- 51 x Sun StorageTek 3510 (JBOD)
- 9 x Brocade Silkworm 4100 switches
- 5 x Cisco Catalyst 6509 NEBs Switches











I'm just curious - why 3510 and not 2540?
that's a good question, I don't know the answ...
Perhaps there wasn't enough power for the 2540 - p...
Numbers were based on actual results, even the pow...
That seems to be a URL for results on a T5220...
Yes, the URL lists the bigger more configurable T5...
That "inflated power estimate" was ...