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Cloud Mercato tested CPU performance using a range of encryption speed tests:
Cloud Mercato's tested the I/O performance of this instance using a 100GB General Purpose SSD. Below are the results:
I/O rate testing is conducted with local and block storages attached to the instance. Cloud Mercato uses the well-known open-source tool FIO. To express IOPS the following parametersare used: 4K block, random access, no filesystem (except for write access with root volume and avoidance of cache and buffer.
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Hi Tibor, I forgot to mention, another useful thing to test out would be to stop and start the EC2 instance, this should move the instance to a less busy host, just a trick that usually works.
I think many people, but not you obviously, have a naive view of AWS hardware provisioning. They think that if they suddenly deploy 50 EC2 instances, that Amazon will rush out and buy more servers and have them installed in order to meet instant demand. Of course, when you think about it, Amazon rely on having fairly high levels of usage in order to maximise profits, and having idle hardware lying around just in case someone wants it is a way to lose money, hence the spot pricing scheme to make at least some money from idle hardware, they can get their hardware back for exclusive use at any time by simply bidding the price up!
Hi Tibor, I forgot to mention, another useful thing to test out would be to stop and start the EC2 instance, this should move the instance to a less busy host, just a trick that usually works.
I think many people, but not you obviously, have a naive view of AWS hardware provisioning. They think that if they suddenly deploy 50 EC2 instances, that Amazon will rush out and buy more servers and have them installed in order to meet instant demand. Of course, when you think about it, Amazon rely on having fairly high levels of usage in order to maximise profits, and having idle hardware lying around just in case someone wants it is a way to lose money, hence the spot pricing scheme to make at least some money from idle hardware, they can get their hardware back for exclusive use at any time by simply bidding the price up!
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