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Engineering Restaurant Discovery: Data Modeling, Geospatial Querying, and Workflow Architecture

Engineering Restaurant Discovery: Data Modeling, Geospatial Querying, and Workflow Architecture

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5 min read
How AWS Scales for 59 Trillion Requests: Cell Architecture & Shuffle Sharding

How AWS Scales for 59 Trillion Requests: Cell Architecture & Shuffle Sharding

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2 min read
System design for physical AI: run the operator's own fault logic on every car of a 225-car fleet

System design for physical AI: run the operator's own fault logic on every car of a 225-car fleet

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3 min read
Handling Stale Data in Agentic Healthcare AI

Handling Stale Data in Agentic Healthcare AI

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2 min read
Amazon Interview Question: Your LRU Cache Works. Now Make It Expire.

Amazon Interview Question: Your LRU Cache Works. Now Make It Expire.

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8 min read
Kafka Ordering: The Guarantee Is Narrower Than You Think

Kafka Ordering: The Guarantee Is Narrower Than You Think

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5 min read
Why My Spatial Engine Benchmark Didn't Match Its Grafana Dashboard

Why My Spatial Engine Benchmark Didn't Match Its Grafana Dashboard

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3 min read
How I Attempt Any System Design Question (A Simple 4-Step Plan)

How I Attempt Any System Design Question (A Simple 4-Step Plan)

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5 min read
How Does a Message Queue Power Reliable Chat Delivery?

How Does a Message Queue Power Reliable Chat Delivery?

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9 min read
Data Lake vs Data Warehouse vs Data Lakehouse: Data Engineering Simplified

Data Lake vs Data Warehouse vs Data Lakehouse: Data Engineering Simplified

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2 min read
Markets of Minds: How Shared Model Capacity Turns Agent Orchestration Into an Allocation Problem

Markets of Minds: How Shared Model Capacity Turns Agent Orchestration Into an Allocation Problem

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6 min read
Preventing Duplicate Actions in Multi-Agent Healthcare AI

Preventing Duplicate Actions in Multi-Agent Healthcare AI

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2 min read
Engineering Governable AI Lending Systems: ISO 42001, Model Risk, and Lifecycle Controls

Engineering Governable AI Lending Systems: ISO 42001, Model Risk, and Lifecycle Controls

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4 min read
Request timeouts: how long to wait, and when to retry

Request timeouts: how long to wait, and when to retry

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4 min read
I estimated 500 RPS from the System Design book and measured 24. Here's what broke.

I estimated 500 RPS from the System Design book and measured 24. Here's what broke.

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7 min read
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