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#reliability

General discussions on building and maintaining reliable software systems.

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The approval queue pattern: putting a human in the loop without putting them in the way

The approval queue pattern: putting a human in the loop without putting them in the way

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5 min read
The Crash Window: Why I Picked Double-Counting Over Data Loss

The Crash Window: Why I Picked Double-Counting Over Data Loss

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4 min read
Retry, Backoff, and Circuit Breakers for LLM API Calls

Retry, Backoff, and Circuit Breakers for LLM API Calls

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5 min read
Our database was fast for six hours and then it ran out of credit

Our database was fast for six hours and then it ran out of credit

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2 min read
One message we could not parse stopped four hours of dispatches

One message we could not parse stopped four hours of dispatches

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2 min read
The incident ended and the spare never came back

The incident ended and the spare never came back

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2 min read
The order was committed and nothing else ever heard about it

The order was committed and nothing else ever heard about it

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2 min read
Your /health Endpoint Is Lying Because It Never Touches a Dependency

Your /health Endpoint Is Lying Because It Never Touches a Dependency

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4 min read
How to Poll Transactional Email Delivery Status in Node.js: Cron Without Webhooks

How to Poll Transactional Email Delivery Status in Node.js: Cron Without Webhooks

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3 min read
Our deploys were also our restart policy

Our deploys were also our restart policy

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2 min read
The Queue Is Not a Database: Jobs That Silently Never Happened

The Queue Is Not a Database: Jobs That Silently Never Happened

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4 min read
The contract is a rumor

The contract is a rumor

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6 min read
Cache Stampede Mitigation: Stale‑While‑Revalidate & Coalescing

Cache Stampede Mitigation: Stale‑While‑Revalidate & Coalescing

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4 min read
Our rate limit punished everyone except the customer causing the problem

Our rate limit punished everyone except the customer causing the problem

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2 min read
Nobody had timed the part that comes after the restore

Nobody had timed the part that comes after the restore

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2 min read
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