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by prib
5281 days ago
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I can attest to the unreliability of AWS Micro instances for production environments. Two examples: Ex 1: We had a request triggering an asynchronous job that would take 3-4 seconds of processor time. Several times, this job was being throttled, so even in a low traffic situation each time one of those requests came, a whole micro instance was consumed on it making it unavailable for anything else. Switching to small instances solved the problem. Ex 2: When launching a new load balancer, due to some sort of wrong DNS/elastic-ip configuration, it's not uncommon to be hit hard by traffic coming for the last owner of the given ip. We've seen this happen several times in the past. Again, switching from 10+ micro instances to 2 small instances cleared the problem. There's an interesting post by Greg Wilson addressing the throttling problem better than I could: http://gregsramblings.com/2011/02/07/amazon-ec2-micro-instan... |
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