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Byte-sized Design's Official List of System Design Blogs
The list goes on and on...
Jan 15, 2024
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Byte-Sized Design
104
12
The Architect Is Not Being Replaced. The Architect Is Being Redefined.
And if you don't notice the difference, you'll end up on the wrong side of it.
Feb 17
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Byte-Sized Design
16
3
Inside Uber’s 350PB Data Lake: The Distcp Rewrite That 5x’d Performance
How Uber scaled data replication from 250TB to 1PB per day by optimizing Apache Distcp, cutting latency 90%, 5x’ing capacity, and migrating 306PB to…
Feb 11
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Byte-Sized Design
7
3
Knowing When to Stop Engineering: Airbnb’s Hardest Lesson
Tens of millions of lines of code. 700 services. 450 data pipelines. 4.5 years of migration. And the thing that could have cut the timeline in half was…
Feb 1
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Byte-Sized Design
6
What OpenAI Understood About Postgres That Most Teams Ignore
How One Postgres Instance Powers 800 Million ChatGPT Users
Jan 24
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Byte-Sized Design
17
1
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Most Popular
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How GitLab Lost 300GB of Production Data and What We Can Learn
Feb 3, 2025
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Byte-Sized Design
42
6
You’re Not Getting Promoted Because You’re Too Good At Your Job
Oct 19, 2025
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Byte-Sized Design
48
8
The CAP Theorem Lie Everyone Keeps Repeating
Oct 14, 2025
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Byte-Sized Design
47
8
11
System Design for Everyone: A Primer on Caching Strategies
Nov 20, 2024
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Byte-Sized Design
41
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How Datadog taught an AI to investigate high-severity incidents
How Datadog built an AI SRE agent that investigates high-severity production incidents by forming hypotheses, following causal signals, and reasoning…
Jan 20
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Byte-Sized Design
6
1
Processing Trillions: How Lyft's Feature Store Grew by 12%, 33% Faster, With Zero Custom DSLs
Lyft's Feature Store handles 1T+ operations daily, cut P95 latency 33%, and grew callers 25% YoY. How they built ML infrastructure engineers actually…
Jan 12
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Byte-Sized Design
11
1
The Trillion-Event Platform: How Spotify Built a Data System That Doesn't Break
TL;DR Spotify processes 1.4 trillion data points daily.
Dec 27, 2025
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Byte-Sized Design
22
3
The 2.1 Billion Problem: How a Single Integer Broke Heroku's API
Inside the 4-Hour Heroku Outage: The Critical Lesson on Integer Overflow, Schema Drift, and the Hidden Danger of Database Statistics
Dec 23, 2025
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Byte-Sized Design
19
3
How Salesforce Migrated 7 Years of Legacy in 4 Months Instead of 2 Years
Build Apps with Parallel Coding Agents With One Prompt
Dec 17, 2025
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Byte-Sized Design
13
1
3
How Stripe built real-time billing analytics that actually works
TL;DR Stripe’s batch-based billing analytics worked fine when updates could wait 24 hours.
Dec 9, 2025
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Byte-Sized Design
14
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How Discord indexes Trillions of messages without falling apart
TL;DR Discord’s 2017 search architecture worked beautifully for billions of messages.
Dec 4, 2025
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Byte-Sized Design
8
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