Two rejected series stalled all my metrics
TL;DR. Three alerts fired while production was healthy. My metrics account had gone over its active series limit, because a rate limit plugin in Caddy publishes 13 series for every client address. The
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uptimepage
Software engineer with 20+ years building and running production systems: microservice architecture on Kubernetes, cloud infrastructure on AWS and Terraform, and security-critical SaaS in the fintech domain.
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