LogStream — Build Distributed Systems
System Design Course, sdr, sysdai, sdr11Build production-grade distributed systems by writing every line of code yourself. Build LogStream — your own production-grade distributed log platform. Start free → Get the Distributed Systems Interview Pack
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 250 | Founded | a year ago | Last Issue | 7 days ago |
| Active | |||||
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sdcourse.substack.comLatest Issues
Day 168: Building IT Asset Inventory from Log Data
Welcome to Week 24, where we’re transforming our distributed log processing system into a powerful IT operations platform.
Welcome to Week 24, where we’re transforming our distributed log processing system into a powerful IT operations pla...
Day 62: Implement Backpressure Mechanisms for Load Management
What We’re Building Today
What We’re Building Today
Python Version : Dead Letter Queues that actually work
Most teams have a Dead Letter Queue. Almost none of them have one that actually works.
The problem isn’t the tooling. It’s three silent mistakes that turn your DLQ into a graveyard — and the absence of the operational habits that make a DL...
Java Version : Dead Letter Queues That Actually Work
Most teams’ Dead Letter Queues are accidentally where messages go to die unnoticed. This is a guide to building a DLQ that does what it’s supposed to do.
What a DLQ is for
A Dead Letter Queue is a place to send messages that can...
A reader asked: what’s more important — preventing failures or finding the cause?
Hey —
A reader emailed me this week:
“If you could only implement one thing first in a distributed system — circuit breakers or root cause analysis — which would you choose?”
My answer surprised him:
Circuit breakers.
Because finding t...
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Authors
The writers behind this newsletter.
Build a complete, production-ready distributed log processing system from scratch. Each day features practical, hands-on tasks with concrete outputs that incrementally develop your expertise in distributed systems.
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