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Tagged #architecture

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FEFelix Silva@felixsilva·2w ago

The cache invalidation without folklore prompt I actually kept

This started as a messy question about cache invalidation without folklore. The follow-up made the answer practical.

Felix Silva

Help me define keys, freshness, and invalidation from actual read and write paths. Context: - Goal: [what a good result lets me do] - Current situation: [paste notes, draft, data, or constraints] - Audience: [who will use the result] - Deadline or limit: [time, budget, tools, length] Before answering, ask up to three questions only if the answers would materially change your recommendation. Otherw

ChatGPTgpt-5

This is usable as written. The important parts are the definition of done, the instruction to expose assumptions, and the request for a smallest test. For cache invalidation without folklore, I would start with these checks: - Reproduce the failure before changing code - Keep the patch smaller than the diagnosis - Write the rollback before deployment If you share real material, remove anything private first and replace bracketed fields with concrete details.

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3303k
FEFelix Silva@felixsilva·4w ago

A smaller way to tackle cache invalidation without folklore

Sharing the wording because it gave me something I could check instead of a confident wall of text.

Felix Silva

For cache invalidation without folklore, should I build a complete plan first or test one small slice? I have limited time and I do not want throwaway work.

ChatGPTgpt-5

Test one slice, but choose a slice that crosses the riskiest part of the problem. A tiny easy demo will only prove the easy part. Use this decision rule: - If reversing the choice is cheap, try it. - If the choice locks in data, money, or other people’s time, write the full decision first. - If uncertainty is concentrated in one step, test that step before planning around it. For cache invalidation without folklore, make the first test produce evidence you can compare, not just something that looks complete.

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3401.7k
FEFelix Silva@felixsilva·2mo ago

The checklist I use for cache invalidation without folklore

The useful bit was asking for trade-offs and a smallest test before committing to a full plan.

Felix Silva

I am stuck on cache invalidation without folklore. I need to define keys, freshness, and invalidation from actual read and write paths, but my current attempt is getting vague and too big. What would you check first?

Claudeclaude-opus-4.5

First, shrink the decision. Do not solve the whole subject at once. 1. Reproduce the failure before changing code. 2. Keep the patch smaller than the diagnosis. 3. Write the rollback before deployment. Write down the result you need by the end of this session. Then choose one input you trust and make a first pass that can be checked. If that pass fails, you will know which assumption to revisit instead of starting over.

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3401.6k
FEFelix Silva@felixsilva·3mo ago

I asked Gemini for a second opinion on cache invalidation without folklore

A compact prompt and the response it produced. Replace the bracketed parts with your own details.

Felix Silva

Be blunt about my plan for cache invalidation without folklore. I am going to collect everything, ask for a polished answer, and fix details later. What is likely to go wrong?

Geminigemini-2.5-pro

Three things. - “Everything” has no boundary, so weak inputs and strong inputs will be treated alike. - A polished answer can hide missing evidence. Ask for gaps and assumptions before prose. - “Fix details later” means there is no acceptance test now. A safer sequence is: define the decision, choose the minimum trusted inputs, make an ugly first pass, check it, then polish. For this task, keep the patch smaller than the diagnosis.

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3303.1k
FEFelix Silva@felixsilva·2mo ago

cache invalidation without folklore: the version with actual constraints

This started as a messy question about cache invalidation without folklore. The follow-up made the answer practical.

Felix Silva

Give me a short checklist for cache invalidation without folklore. I want something I can run before I call the work done.

Claudeclaude-opus-4.5

Use this pass: - [ ] The goal is one sentence and names the user or decision - [ ] Inputs are current, relevant, and traceable - [ ] Assumptions are visible - [ ] Reproduce the failure before changing code - [ ] Keep the patch smaller than the diagnosis - [ ] Write the rollback before deployment - [ ] One failure case has been tested - [ ] The next owner and next action are clear If you cannot check an item, mark it unknown. Do not quietly treat unknown as done.

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3301.7k
YAyaml yeti@yaml_yeti·1w ago

When should I use a single agent vs multi-agent system?

A decision prompt that compares decomposition benefits against coordination, latency, cost, and evaluation complexity.

yaml yeti

# When should I use a single agent vs multi-agent system? Act as a agent systems architect. ## Goal Choose the simplest architecture that meets reliability and throughput requirements. ## Inputs - workflow stages and dependencies - parallelizable work - specialized context or permissions - latency, cost, and reliability targets If a required input is missing, ask concise questions or mark the assu

Geminigemini-2.5-pro

Use the attached prompt by replacing its input bullets with the real context. The strongest results come from evidence-bearing inputs and explicit success criteria. The required deliverables are: decision table, proposed topology, handoff contract, benchmark plan.

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4000
pitter's avatarThe pitter@pitter·1w ago

How to use spec-driven development with AI coding agents

A copy-ready, evidence-first prompt for the timely question: How does spec-driven development work with AI coding agents?

The pitter

What is the best prompt for this trending question: How does spec-driven development work with AI coding agents?

ChatGPTgpt-5.6

## Copy-ready prompt ```text Act as a software architect. Answer this question: “How does spec-driven development work with AI coding agents?” Objective: turn a product requirement into an agent-ready implementation specification. First, ask up to five concise questions needed to tailor the analysis. If no answers are available, state reasonable assumptions and continue. Use current information as of today; browse authoritative primary sources where possible, distinguish facts from inference, and cite every time-sensitive claim with a direct link and publication date. Cover: scope, invariants,

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2000
pitter's avatarThe pitter@pitter·1w ago

RAG vs fine-tuning vs long context vs tools

A copy-ready, evidence-first prompt for the timely question: Should we use RAG, fine-tuning, long context, or tools?

The pitter

What is the best prompt for this trending question: Should we use RAG, fine-tuning, long context, or tools?

ChatGPTgpt-5.6

## Copy-ready prompt ```text Act as a senior AI architect. Answer this question: “Should we use RAG, fine-tuning, long context, or tools?” Objective: choose the simplest architecture that meets quality, freshness, privacy, and cost requirements. First, ask up to five concise questions needed to tailor the analysis. If no answers are available, state reasonable assumptions and continue. Use current information as of today; browse authoritative primary sources where possible, distinguish facts from inference, and cite every time-sensitive claim with a direct link and publication date. Cover: dec

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2000

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