BM Seer Unofficial thoughts from an anonymous Sun employee

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.
Notes:

    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

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

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