Archive
Everything so far, newest first.
2026
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Latency budgets are a budgeting problem
A p99 target that nobody spends is a wish, not a target.
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Cache invalidation is mostly a naming problem
Most “stale cache” incidents are two different things sharing one key.
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Small services, boring dashboards
A dashboard should answer one question quickly.
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A postmortem template people actually fill in
Short sections, no blame, and a record of what we chose not to fix.