*QUESTION*
Has anyone fiddled around with the smallest possible instance size to run 
Scalr in EC2? What about breaking it into MySQL and everything else?

*DETAIL*
For our Dev and QA we use the Community Edition all-in-one sized as an 
m3.medium.  With 175 instances running inside it, I'm getting a CPU graph 
that looks like the attached image.  One interesting data point is on 7/7 
when the server wasn't properly operating ZeroMQ. CPU usage drops to around 
30%. This server will be growing to over 1,000 nodes by the end of the year 
and it looks like I need to start breaking this server into multiple parts. 
 Nice notes here 
<https://scalr-wiki.atlassian.net/wiki/display/docs/Production+Deployment+Recommendations>
 on 
a distributed architecture.
<https://scalr-wiki.atlassian.net/wiki/display/docs/Production+Deployment+Recommendations>
 
<https://scalr-wiki.atlassian.net/wiki/display/docs/Production+Deployment+Recommendations>

<https://lh3.googleusercontent.com/-OHuXAX8d9Ng/V4T7W7__XsI/AAAAAAAABO4/6pA7H-JPYqUbh_oj5ERGt49SkSb7vhi5gCLcB/s1600/m3.medium_cpu.png>












I'm asking about this because we have built a second server to manage 
production infrastructure. The number of instances controlled by this 
second server will be under 50.  Curious how small I can go?

t2.medium
t2.small?

Two t2.small instances, one for MySQL and one for everything else?

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