Amazon High-CPU Medium Instance is about 30% slower than a dedicated core 2 duo server

Recently we benchmarked a dedicated GoDaddy server against an Amazon EC2 instance and \$ for \$ the GoDaddy server was about 30% faster. Here are some stats:

Godaddy Dedicated Server

2 GB memory

Processor: Intel Core 2 Duo - 2.13 GHz

32-bit platform

Raid: None

\$146 per month

UPDATETEXT … - Took 116ms

SLIDEHANDLER3 … - Took 2722ms

Amazon EC2: High-CPU Medium Instance

1.7 GB memory

5 EC2 Compute Units (2 virtual core with 2.5 EC2 Compute Unit each)

32-bit platform

I/O Performance: Moderate

Instance Type name: c1.medium (used in EC2 APIs)

Price: \$0.20 per instance hour

\$144 per month

UPDATETEXT … - Took 144ms

SLIDEHANDLER3 … - Took 3525ms

Conclusion: So unless you need proximity to Amazon S3, scalability, … you are better off with a dedicated server than an instance in the cloud.



Tue May 19 2009 07:21:00 GMT-0700 (Pacific Daylight Time)


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