donnemartin/
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
What it does
Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.
Summary based on the GitHub description (opens in a new tab)
What the README covers
- The System Design Primer
- Motivation
- Learn how to design large-scale systems
- Learn from the open source community
- Prep for the system design interview
- Anki flashcards
- Coding Resource: Interactive Coding Challenges
- Contributing
- Index of system design topics
- Study guide
- How to approach a system design interview question
- Step 1: Outline use cases, constraints, and assumptions
Getting started
Excerpt from the README · Checked 15 Oct 2026
def get_user(self, user_id):
user = cache.get("user.{0}", user_id)
if user is None:
user = db.query("SELECT * FROM users WHERE user_id = {0}", user_id)
if user is not None:
key = "user.{0}".format(user_id)
cache.set(key, json.dumps(user))
return userShown exactly as published. Top 200 Repos has not run or tested it. View in README (opens in a new tab)
Ranking trend
Global rank in each recorded snapshot. A lower number is a higher rank.
From #7 to #8 across 2 snapshots since 15 Oct 2026.
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