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LogStream — Build Distributed Systems

System Design Course, sysdai, sdr11
Hundreds of paid subscribers

Build 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
Substack
PricingFreemiumPublishesDaily
Issues259Foundeda year agoLast Issue5 days ago
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sdcourse.substack.com
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Latest Issues

Day 65: Field-Level Encryption for Sensitive Log Data

What We’re Building Today

  • AES-256-GCM encryption service for PII fields (email, SSN, credit cards) in log events

  • Key rotation system with versioned encryption keys stored in distributed cache

  • Transparent decryption layer w...

8 days ago
11

Week 7: Distributed Log Analytics — “Turn raw logs into decisions”

What we’re building today

What we’re building today

10 days ago
2
Paid

Day 170: Implement User Journey Tracking

What We’re Building Today

  • Parse raw application logs to extract user events with session context

  • Build a journey stitcher that assembles per-user event sequences

  • Compute path frequency, drop-off rates, and average step dur...

12 days ago
3

Day 64: Implement Role-Based Access Control for Log Data

What We’re Building Today

What We’re Building Today

14 days ago
9
Paid

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Audience Metrics

Subscribers, engagement, traffic and sponsorship for LogStream.

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Ranked Keywords1.5kMonthly Search TrafficTop Keywords

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Authors

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  • System Design Course

    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.

  • sysdai
  • sdr11
  • Frequently Asked Questions

    How can I access the email archive for LogStream?

    You can find recent issues that have been published by LogStream on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

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    To find out how much an ad will cost, contact LogStream using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to LogStream?

    Scroll up to where it says Related Newsletters to see other publications like LogStream. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

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