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Junkyard Computing: The Engineering Case for Building Server Clusters from Dead Smartphones

Junkyard Computing: The Engineering Case for Building Server Clusters from Dead Smartphones

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6 min read
The queue probability drops faster than you think when you add servers

The queue probability drops faster than you think when you add servers

2 min read
How DNS Actually Works: Resolution Hierarchy, Caching, and Production Failure Modes

How DNS Actually Works: Resolution Hierarchy, Caching, and Production Failure Modes

15 min read
Session 5 summary

Session 5 summary

2
1 min read
HLD Fundamentals #6 : Consistent Hashing: The Smart Way to Scale Distributed Systems

HLD Fundamentals #6 : Consistent Hashing: The Smart Way to Scale Distributed Systems

5 min read
Designing a Transactional Outbox for Reliable Event Delivery in SaaS Platforms

Designing a Transactional Outbox for Reliable Event Delivery in SaaS Platforms

2 min read
Building a Reliable Messaging Workflow for Automated Guest Communication

Building a Reliable Messaging Workflow for Automated Guest Communication

1 min read
Rate Limiting Without User Accounts — Strategies for Anonymous APIs

Rate Limiting Without User Accounts — Strategies for Anonymous APIs

5 min read
The Hybrid Architecture: Blending Physical IoT with Cloud Computing

The Hybrid Architecture: Blending Physical IoT with Cloud Computing

1
7 min read
48/60 Days System Design Questions

48/60 Days System Design Questions

2
8
1 min read
AI Is Exposing Technical Debt We Learned to Ignore

AI Is Exposing Technical Debt We Learned to Ignore

1 min read
The 14 system design concepts that cover ~80% of interviews

The 14 system design concepts that cover ~80% of interviews

3 min read
Deep Dive: Workflows as a First-Class Primitive — How Bizbox Added a Full Pipeline Platform in June 2026

Deep Dive: Workflows as a First-Class Primitive — How Bizbox Added a Full Pipeline Platform in June 2026

7 min read
Stop Spatially Disoriented Traces: Mapping JEP 480 Structured Concurrency Topologies in OpenTelemetry

Stop Spatially Disoriented Traces: Mapping JEP 480 Structured Concurrency Topologies in OpenTelemetry

2 min read
Your DB Is Still Red After Adding a Cache — Here's Why

Your DB Is Still Red After Adding a Cache — Here's Why

2
4 min read
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