A pricing-rule rollout has a harder requirement than detecting a busy error graph: the team must be able to prove which rule was active, which requests failed, and why an alert fired. I would keep the request path in Node. js, record low-cardinality counters at that boundary, and let a small sch...

Source: [Dev.to](https://dev.to/brennthorn8571/nodejs-game-pricing-failure-counts-postgres-metrics-queries-for-alert-polling-3i84)

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