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#reliability

General discussions on building and maintaining reliable software systems.

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The Agent Rewrote the Shell Script in Python and Dropped the Exit Code

The Agent Rewrote the Shell Script in Python and Dropped the Exit Code

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2 min read
Observability for multi-agent systems: instrumenting for split-brain, goal drift, and context drift

Observability for multi-agent systems: instrumenting for split-brain, goal drift, and context drift

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8 min read
Production failures: the things that page you · 3. Retry storms

Production failures: the things that page you · 3. Retry storms

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11 min read
The kill switch pattern, and why your CIO needs to know where it is at 3 AM

The kill switch pattern, and why your CIO needs to know where it is at 3 AM

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5 min read
Kill the bug class, not just the bug

Kill the bug class, not just the bug

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5 min read
Quota Exhaustion Is a Failure Domain

Quota Exhaustion Is a Failure Domain

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5 min read
When an agent returns code instead of data

When an agent returns code instead of data

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3 min read
Why Your LLM Agent's "Success" Might Be an Illusion

Why Your LLM Agent's "Success" Might Be an Illusion

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4 min read
Engineering the Response Infrastructure for a Magnitude 6.7 Mid‑Atlantic Ridge Earthquake

Engineering the Response Infrastructure for a Magnitude 6.7 Mid‑Atlantic Ridge Earthquake

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5 min read
Make Token Spend an Invariant Before a Preemptible Free Tier Replays Your Eval Batch

Make Token Spend an Invariant Before a Preemptible Free Tier Replays Your Eval Batch

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7 min read
Provider Failover for LLM Apps: Retries, Fallbacks, and Circuit Breakers in Under 100 Lines

Provider Failover for LLM Apps: Retries, Fallbacks, and Circuit Breakers in Under 100 Lines

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15 min read
Letting an LLM press buy: idempotency keys, fsync and process groups

Letting an LLM press buy: idempotency keys, fsync and process groups

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9 min read
Retry Budgets and Dead-Letter Queues: Keeping Digital Delivery Reliable When Suppliers Fail

Retry Budgets and Dead-Letter Queues: Keeping Digital Delivery Reliable When Suppliers Fail

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4 min read
Debug HTTP 422 API Validation Errors Safely

Debug HTTP 422 API Validation Errors Safely

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2 min read
Framework Success Isn't Outcome Success: Why Your Hiring Workflow Ran But Did Nothing

Framework Success Isn't Outcome Success: Why Your Hiring Workflow Ran But Did Nothing

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5 min read
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