As Square has grown, the methods used to ensure users can always take payments have evolved. We've refined the processes used to develop and deploy services, started using a variety of monitoring tools, and created a comprehensive, service-based on-call rotation.
I'll give an overview of all of these and discuss how Square's engineering team has adapted over the past two and a half years to support both internal and external users.
How Square Stays Stable and Available
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Published at DZone with permission of Eric Gregory. See the original article here.
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