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• Writing
• Work I take
• Colophon
• Reviews
• Corrections welcome

Work I take

• Query and index review
• Queue and backpressure audit
• Caching strategy
• Incident review facilitation
• Postgres upgrade plan
• Second opinion, half a day

Writing

• The index existed. Postgres ignored it anyway
• Your retries are the outage
• Cache invalidation is a routing problem
• Connection pools lie to you
• We deleted the microservice
• Latency is a distribution, not a number

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• What do you do when a post turns out to be wrong?
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• What is the site built on?