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Self-Hosting vs. Managed Monitoring: The Real Cost Math for Engineering Teams

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The debate between self-hosting monitoring tools like Prometheus and using managed services like Datadog is more financially nuanced than a simple licensing comparison. For teams under 50 engineers, managed services tend to be cheaper when factoring in setup time, maintenance, and required expertise. Self-hosted solutions become cost-effective around 200 or more engineers, provided the team has strong operational experience. Hidden risks such as staff turnover, cardinality spikes, and upgrade failures can erode the savings of self-hosting. Most teams ultimately adopt a hybrid approach, self-hosting metrics and dashboards while paying for managed log and tracing services.

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Self-Hosting vs. Managed Monitoring: The Real Cost Math for Engineering Teams · ShortSingh