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(Huge) Performance gaps between different Amazon Instance locations
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(Huge) Performance gaps between different Amazon Instance locations
01-16-2015, 08:20 PM
Post: #1
(Huge) Performance gaps between different Amazon Instance locations
We are using private amazon instances for running automated daily benchmarks for several websites. In december we switched our test-agent location from Ireland to Frankfurt (to get more realistic latencies from germany).

We expected slightly better results, since tested websites are hosted in germany. But instead our test results (except time to first byte) are up to 7 seconds slower!

(See attached image):
- To Dec 07: t2.micro / Ireland / ami-8b2c2fff
- From Dec 07: t2.micro / Frankfurt / ami-54291f49
- From Jan 07: m3.medium / Frankfurt / ami-54291f49
- From Jan 12: (testing various instances...)

   

I've read, that t2.mirco instances are not sufficient / recommended for test agents, but it seems that performance does not have an impact on t2.micro instances hosted in Ireland. (Maybe this is because ami-54291f49 ist 32 bit?)

Obviously we'd like to stay with micro instances, if possible. But is there also a 32 bit AMI (if that is the reason) for Frankfurt?

And why is the TTFB on same level and only fullyLoaded, docComplete and speedIndex differ from location to location?
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(Huge) Performance gaps between different Amazon Instance locations - joa - 01-16-2015 08:20 PM

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