Issues

• Bug: Generator exhaustion in SpendingByCategory reducer yields 0 instead of total

  donnemartin/system-design-primer#1407 · Filter by author cynicalmindset opened on Sep 28, 2026

• Bug: AttributeError: module 'sys' has no attribute 'MAXSIZE' in BlackJackHand.score

  donnemartin/system-design-primer#1405 · Filter by author cynicalmindset opened on Sep 28, 2026

• Bug: AttributeError when instantiating Vehicle in parking_lot.py and missing Enum import in parking_lot.ipynb

  donnemartin/system-design-primer#1403 · Filter by author cynicalmindset opened on Sep 28, 2026

• Fix broken links and update outdated references in documentation

  donnemartin/system-design-primer#1396 · Filter by author hashleycuachin03-code opened on Sep 17, 2026
  1

• system design

  donnemartin/system-design-primer#1388 · Filter by author Itkulov opened on Aug 28, 2026

• 一hj

  donnemartin/system-design-primer#1386 · Filter by author rogertran3243-cpu opened on Aug 21, 2026
  1

• 小

  donnemartin/system-design-primer#1385 · Filter by author rogertran3243-cpu opened on Aug 21, 2026

• 我

  donnemartin/system-design-primer#1384 · Filter by author rogertran3243-cpu opened on Aug 21, 2026

• Anki Deck Images Not Showing

  donnemartin/system-design-primer#1381 · Filter by author damepatr opened on Aug 18, 2026
  6

• i want to help in translating this repo in Hindi too

  donnemartin/system-design-primer#1376 · Filter by author Ansh-One8 opened on Aug 16, 2026
  6

• [Bug]: 繁體中文翻譯中混用簡體中文字詞

  donnemartin/system-design-primer#1374 · Filter by author hugow0528 opened on Aug 15, 2026

• Broken Link - Reverse proxy vs load balancer

  donnemartin/system-design-primer#1370 · Filter by author cristianmanoliu opened on Aug 11, 2026

• Broken Link - https://smartbear.com/learn/api-design/what-are-microservices/

  donnemartin/system-design-primer#1368 · Filter by author cristianmanoliu opened on Aug 11, 2026

• Broken Link - NGINX architecture

  donnemartin/system-design-primer#1364 · Filter by author cristianmanoliu opened on Aug 6, 2026
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• Title: Consider adding/hosting a website for easier browsing

  donnemartin/system-design-primer#1363 · Filter by author Siva010 opened on Aug 6, 2026
  5

• Jhkvucu

  donnemartin/system-design-primer#1362 · Filter by author juanitoparedesarteagajimenes-hue opened on Aug 6, 2026
  1

• Broken Link - Content delivery network - [Source: Why use a CDN](https://www.creative-artworks.eu/why-use-a-content-delivery-network-cdn/)

  donnemartin/system-design-primer#1359 · Filter by author cristianmanoliu opened on Aug 5, 2026
  12

• Broken Link - DNS - [DDoS attack](http://dyn.com/blog/dyn-analysis-summary-of-friday-october-21-attack/)

  donnemartin/system-design-primer#1358 · Filter by author cristianmanoliu opened on Aug 5, 2026
  11

• gh repo clone sherlock-project/sherlock

  donnemartin/system-design-primer#1356 · Filter by author s33455943-spec opened on Aug 5, 2026
  10

• Easy style password

  donnemartin/system-design-primer#1341 · Filter by author sonunarasima-cmd opened on Jul 26, 2026
  22

• system design

  donnemartin/system-design-primer#1340 · Filter by author BanxVelo opened on Jul 24, 2026

• Index HTML

  donnemartin/system-design-primer#1332 · Filter by author pawanrajputjbp0047-pixel opened on Jul 13, 2026
  1

• Volunteer for maintainer reviewer role

  donnemartin/system-design-primer#1331 · Filter by author arturict opened on Jul 13, 2026
  1

• Translation: Roman Urdu/Hindi

  donnemartin/system-design-primer#1327 · Filter by author Ahtisham-1214 opened on Jul 11, 2026
  3

• Project Showcase: Battle-Tested Patterns — 46 programming patterns extracted from production codebases, with precise source links and multi-language exercises

  donnemartin/system-design-primer#1320 · Filter by author Totoro-jam opened on Jul 2, 2026