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Posts on building, using, and learning about databases.

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Cover image for The Replication Lag Question That Shows Up in Most Senior Interviews

Apr 27

The Replication Lag Question That Shows Up in Most Senior Interviews

#database #postgres #architecture #tutorial

7 min read

Cover image for URL Shortener Design: The Capacity Math 90% of Candidates Get Wrong

Apr 27

URL Shortener Design: The Capacity Math 90% of Candidates Get Wrong

#architecture #database #tutorial #programming

7 min read

Cover image for The CAP Theorem Question Every Senior System Design Interview Asks

Apr 27

The CAP Theorem Question Every Senior System Design Interview Asks

#architecture #database #tutorial #programming

7 min read

Cover image for Why Your Caching Strategy Probably Has the Same 4 Holes

Apr 27

Why Your Caching Strategy Probably Has the Same 4 Holes

#architecture #database #tutorial #microservices

7 min read

Cover image for How to Design Uber's Dispatch System (and Why H3 Beat Geohash)

Apr 27

How to Design Uber's Dispatch System (and Why H3 Beat Geohash)

#architecture #database #tutorial #microservices

7 min read

Cover image for Twitter's Fanout Strategy at Scale: The Trade-Off Most Designs Miss

Apr 27

Twitter's Fanout Strategy at Scale: The Trade-Off Most Designs Miss

#architecture #database #tutorial #microservices

9 min read

Cover image for Sharding Strategies in 2026: Range, Hash, Geo, Directory — Which Wins When

Apr 27

Sharding Strategies in 2026: Range, Hash, Geo, Directory — Which Wins When

#database #architecture #postgres #tutorial

7 min read

Cover image for Designing a Web Crawler That Scales to 1 Billion Pages a Day

Apr 27

Designing a Web Crawler That Scales to 1 Billion Pages a Day

#architecture #database #tutorial #microservices

7 min read

Apr 27

Why I built a High-Performance Vector Database in Rust (and why it’s now Open Source)

#database #opensource #performance #rust

2 min read

Cover image for Azure Migration Is Not the Problem. Your Plan Is

Apr 27

Azure Migration Is Not the Problem. Your Plan Is

#azure #database #cloud

4 min read

port smith

Apr 27

MySQL 的 MVCC：看不见的“时间机器”怎么帮你躲过脏读和幻读？

#backend #database #sql #tutorial

1 min read

kanta13jp1

Apr 27

Notion Database Limits & Workarounds — 7 Walls Every Power User Hits

#notion #database #productivity #webdev

3 min read

Cover image for We measured 72% 91% accuracy on Text-to-SQL over a 600-table ERP - what actually fixed it

Zeeshan Ghazanfar

Apr 27

We measured 72% 91% accuracy on Text-to-SQL over a 600-table ERP - what actually fixed it

#erp #talktodb #database #ai

2 min read

Cover image for Automating Data Workflows with Apache Airflow

Apr 27

Automating Data Workflows with Apache Airflow

#dataengineering #airflow #database #etl

6 min read

Apr 27

How I Built a Scalable and Secure Streaming Backend with Python (Production Lessons)

#backenddevelopment #security #programming #database

3 min read

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