Rails developers: what's your approach to operational health over time? What do you do to prevent performance from decaying? From having increasing errors in production? Do you know whether your new deploy made things worse? Answers on the back of a tweet. Plz RT for sample size.
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How do you know if they’re better or worse than 6 months ago? how do you know if they’re acceptable to customers? How quickly would you know if your p95 response time 10x’d ?
