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Recommendation System Design: Candidate Generation, Ranking & Feature Stores

Recommendation System Design: Candidate Generation, Ranking & Feature Stores

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14 min read
How Do Agent System Kernels Differ from Traditional Operating System Kernels?

How Do Agent System Kernels Differ from Traditional Operating System Kernels?

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17 min read
ChatGPT serves 800 million users from one Postgres primary. Here's how 🐘

ChatGPT serves 800 million users from one Postgres primary. Here's how 🐘

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3 min read
Hash sharding would have broken ListObjects. So we don't hash keys

Hash sharding would have broken ListObjects. So we don't hash keys

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4 min read
Rabata S3 layer never stores a single byte of your data

Rabata S3 layer never stores a single byte of your data

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3 min read
Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss

Write-Ahead Logging: How PostgreSQL & MySQL Survive Power Loss

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1 min read
Faster output is not the same as delivery

Faster output is not the same as delivery

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1 min read
Reverse Engineering: Learn How Software Works by Building It Backward

Reverse Engineering: Learn How Software Works by Building It Backward

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4 min read
Data Fetching, TanStack Query, SWR, Apollo, and Request Deduplication

Data Fetching, TanStack Query, SWR, Apollo, and Request Deduplication

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30 min read
Collaboration, Context, and Generated Assets: An Architecture Review of GenAnywhere, PlaceMaker, CityWeft, HalfMaps, and Tripo3D

Collaboration, Context, and Generated Assets: An Architecture Review of GenAnywhere, PlaceMaker, CityWeft, HalfMaps, and Tripo3D

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3 min read
Anthropic Interview Question: Every Batch Takes 100 ms. Why Is the API Slow?

Anthropic Interview Question: Every Batch Takes 100 ms. Why Is the API Slow?

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8 min read
Can I Turn MAGDC Into Something Bigger Than a Coding System?

Can I Turn MAGDC Into Something Bigger Than a Coding System?

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2 min read
The Quiet Power of Hard and Boring Software in 2026

The Quiet Power of Hard and Boring Software in 2026

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5 min read
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
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