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Seven-Day Retention Logging for Node.js Game Notifications Balances Debugging and Data Minimization

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The article argues that a production log for notification delivery should capture enough detail to reconstruct a failed send without storing every player action permanently. It recommends a Node.js-friendly ingestion API with a short seven-day retention window, a stable event schema, and a separate plan for alerting and deletion. The author distinguishes simple event collection from full observability, which would include alert rules, span-tree analysis, and GDPR deletion workflows. Storage cost is framed as event volume multiplied by retained bytes, using a sizing example of about 1.4 GB per week for two million events. The recommended record keeps identifiers, attempt number, status, timestamp, provider, and a correlation ID, while omitting full request bodies to limit sensitive content.

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