Comments by "Michael Nurse" (@michaelnurse9089) on "Improving Observability and Testing In Production" video.

'Canary deployments are not always possible, either for technical reasons (users must be networked) or for business reasons (the want the benefits now). That said, I was the manager of a business where just before I started they went live with a system that worked great in development and failed big in production, mainly because the damage it was doing was hidden from users for a couple months. The damage to the business was extensive and took about three years to repair reputational damage with customers.
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