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How Database Inserts Work: WAL and Buffer Pools

How Database Inserts Work: WAL and Buffer Pools

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4 min read
Redis Isn't Just a Cache: 14 Use Cases (System Design)

Redis Isn't Just a Cache: 14 Use Cases (System Design)

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1 min read
Day 35/60 System Design Questions

Day 35/60 System Design Questions

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2 min read
Stop Syncing Elasticsearch: Native Hybrid Search with Spring AI and Pgvector sparsevec

Stop Syncing Elasticsearch: Native Hybrid Search with Spring AI and Pgvector sparsevec

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2 min read
Legitimacy

Legitimacy

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3 min read
Finality Mismatch in Distributed Financial Systems: When “Completed” Means Different Things

Finality Mismatch in Distributed Financial Systems: When “Completed” Means Different Things

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11 min read
Building Taocarts’ Anti-Fraud Risk Control System: Eliminating Malicious Exploitation of Coupons, Points, and Promotions

Building Taocarts’ Anti-Fraud Risk Control System: Eliminating Malicious Exploitation of Coupons, Points, and Promotions

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3 min read
Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (2/5)

Building Reliable Event-Driven Systems: Event Schemas, Versioning, Contract Testing and Events vs Commands (2/5)

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5 min read
Multi-Agent Systems Explained: Coordinator Pattern, Task Tool & Context Injection

Multi-Agent Systems Explained: Coordinator Pattern, Task Tool & Context Injection

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6 min read
The Data Ingestion Pipeline Nobody Designs Well Until Production Breaks It

The Data Ingestion Pipeline Nobody Designs Well Until Production Breaks It

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5 min read
ACID Transactions Explained Simply: How Databases Never Lose Your Money, Orders, or Data

ACID Transactions Explained Simply: How Databases Never Lose Your Money, Orders, or Data

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3 min read
What a Production RAG System Actually Looks Like After 18 Months

What a Production RAG System Actually Looks Like After 18 Months

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6 min read
Schrödinger's Service: Why Your Microservice Is Both Up and Down Until You Observe It

Schrödinger's Service: Why Your Microservice Is Both Up and Down Until You Observe It

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4 min read
Decoding System Observability: Building Transparent and Resilient Architectures

Decoding System Observability: Building Transparent and Resilient Architectures

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2 min read
Designing ERP Software for Retail: Five Lessons Every Software Engineer Should Know

Designing ERP Software for Retail: Five Lessons Every Software Engineer Should Know

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3 min read
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