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donnemartin/system-design-primer

// all events — 2026-09-18

Type AI Score Description Actor Reason Date
pr 1.00 Fix broken link for NGINX architecture Explicitly states it was generated with 2026-08-06
pr 1.00 Fix broken Dyn DDoS attack analysis link Explicitly states it was generated with 2026-08-11
pr 1.00 Fix broken CDN source link Explicitly states it was generated with 2026-08-11
pr 1.00 Fix broken link for reverse proxy vs load balancer Explicitly states it was generated with 2026-08-06
pr 1.00 Fix broken SmartBear microservices link Explicitly states it was generated with 2026-08-11
pr 0.98 feat(web): Add interactive web platform with diagrams, space Highly polished promotional phrasing and 2026-08-16
pr 0.98 [codex] Fix LeCloud scalability links The [codex] marker and formulaic summary 2026-05-15
pr 0.98 [codex] Fix call center employee constructors The [codex] marker and polished checklis 2026-05-15
pr 0.98 [codex] Fix Redis architecture link The [codex] marker and generic structure 2026-05-15
pr 0.98 [codex] Fix zh-TW CAP theorem link The [codex] marker and formulaic link-up 2026-05-15
pr 0.98 [codex] Fix zh-TW weighted round-robin links The [codex] marker and repetitive alignm 2026-05-15
pr 0.98 [codex] Fix query cache lookup snippet The [codex] marker and highly polished s 2026-05-15
pr 0.90 fixed critical bugs Grandiose boilerplate and overly compreh 2026-04-04
pr 0.85 Add Interactive Web App Dashboard for Primer Polished promotional phrasing and generi 2026-08-05
pr 0.80 Convert system-design-primer to website Formal tone and polished phrasing ('Conv 2026-03-22
pr 0.76 Add system-design-progress-tracker.md Generic polished roadmap language and st 2026-08-28
pr 0.62 Fix Traditional Chinese translations in README-zh-TW.md Polished generic summary and checklist-l 2026-08-15
pr 0.62 ko: Complete and proofread Korean translation Polished generic summary and review than 2026-08-04
pr 0.62 Fix wording: continuously updated Polished generic summary and impact stat 2026-07-13
pr 0.35 docs: fix subject-verb agreement 'TCP support' → 'TCP suppor Formulaic grammar-fix wording, but conci 2026-08-04
pr 0.35 docs: fix spelling 'error handing' → 'error handling' in soc Formulaic spelling-fix wording, though b 2026-08-04
pr 0.35 Add Discord and Notion architecture references Polished, generic marketing-style descri 2026-05-13
pr 0.30 ka: Add Georgian (ქართული) Translation Slightly formal greeting, but overall hu 2026-01-29
pr 0.28 docs(pt-BR): adiciona tradução brasileira do System Design P Structured technical translation report, 2026-08-04
pr 0.28 docs: add NGINX and Envoy to software load balancer examples Brief conventional issue reference with 2026-07-27
pr 0.28 docs: add gRPC to list of popular RPC frameworks Brief conventional issue reference with 2026-07-27
pr 0.28 Add cost-based system design section Generic feature summary is polished, tho 2026-05-02
pr 0.22 docs: note NVMe SSD sequential read speeds in latency handy Specific benchmark values make this most 2026-07-27
pr 0.22 hi: Add Hindi (README-hi.md) translation Structured translation summary is generi 2026-07-01
pr 0.20 docs: add contribution guide for donnemartin/system-design-p Explicitly automated, but it does not cl 2026-09-04
pr 0.20 fix: typo - scale aws Short, terse, and specific free-text sec 2025-12-02
pr 0.20 ko: Add Korean translation (README-ko.md) Technical and direct; some minor formali 2026-03-05
pr 0.20 added a requirements.txt file Minimal content, consistent with human s 2026-02-08
pr 0.18 docs: fix python syntax errors and typos in system design so Detailed domain-specific changelog with 2026-08-17
pr 0.18 docs: fix contributing guide grammar Concise wording is somewhat polished but 2026-07-13
pr 0.18 docs: add Table of Contents to README Some generic explanatory phrasing, but c 2026-06-10
pr 0.18 docs: add cost-aware system design section (#1253) Concise, domain-specific documentation s 2026-05-28
pr 0.15 Add Arabic Translation Specific personal context and contributi 2025-02-26
pr 0.12 fix(scripts): fix directory test condition and shellcheck wa Technical and focused, with concrete she 2026-08-19
pr 0.12 docs: add learning progress checklist to README Specific scope, commands, and anchor val 2026-08-02
pr 0.12 ur: Add Urdu translation Structured translation details are speci 2026-06-24
pr 0.12 Add StreamPrep interview roadmap resource Brief, specific resource update with nat 2026-05-15
pr 0.12 Fix broken Redis architecture link Standard summary and validation are poli 2026-05-03
pr 0.12 Fix Anki deck links to use direct raw downloads Polished structure is technical and spec 2026-04-04
pr 0.10 fix(web_crawler): remove redundant extract_max_priority_page Specific technical explanation in a norm 2026-08-14
pr 0.10 vi: add Vietnamese translation Concise, domain-specific, human-like cha 2026-03-27
pr 0.10 Revise scalability lecture link and enhance topics list Brief changelog and minimal, human struc 2026-03-15
pr 0.08 zh-Hans: refresh stale resource links Specific translation details and validat 2026-08-04
pr 0.08 Fix Vehicle constructor to initialize spot_size Direct bug description and concrete assi 2026-07-22
pr 0.08 Add Spanish translation of the System Design Primer Specific translation details are present 2026-04-08
pr 0.08 Fix broken Redis architecture link in README Concise, repository-specific fix descrip 2026-04-04
pr 0.08 Add Georgian translation Template-like structure and specific tra 2026-04-02
commit 0.05 Additional question, build an exchange Brief, informal phrasing; normal issue r 2020-07-07
pr 0.05 docs: fix missing article 'a' before 'good pattern' in scali Specific documentation details and check 2026-08-04
pr 0.05 Readme file with collapsible blocks for enhanced user experi Informal phrasing and personal reaction 2026-05-22
pr 0.05 Updated Security Section Informal, specific wording and casual ph 2023-03-14
pr 0.04 Add C++ system design solutions Terse, domain-specific implementation li 2026-07-30
pr 0.04 Fix initialization of Supervisor and Director classes; corre Specific list of unrelated fixes is typi 2026-07-16
pr 0.04 Update GitHub pull request docs link Specific URL migration and command-based 2026-05-05
pr 0.03 Update NGINX Architecture Link Specific link migration details and the 2026-09-17
pr 0.03 Add link to an interactive companion site (#1363) Specific, candid wording and detailed im 2026-08-17
pr 0.03 Add contributor link to README Contains only the repository's standard 2026-09-11
pr 0.03 Fix dead link to LinkedIn Engineering Specific link checks and repository cont 2026-08-20
pr 0.03 Fix LinkedIn Engineering blog link Concise, specific link update with human 2026-07-05
pr 0.03 Add link to an interactive companion site (#1363) Specific, candid wording and detailed im 2026-08-17
pr 0.03 fix: correct LRU cache Node initialization and set() signatu Terse, specific debugging details strong 2026-07-19
pr 0.03 fix: correct super() calls in Supervisor and Director classe Uses precise code references and concise 2026-07-19
pr 0.03 docs: fix dead CAP theorem links and URL-encode parentheses Specific link and URL-encoding details i 2026-06-29
pr 0.03 Fix HBase architecture links in translations Specific issue, languages, and validatio 2026-05-05
pr 0.02 Fix Salesforce Engineering Blog link Concise, specific URL change and validat 2026-09-12
pr 0.02 Fix typo: 'meesage' -> 'message' in online_chat notebook Specific file and typo references, plus 2026-05-20
pr 0.02 Fix/interactive web platform Contains only the standard template and 2026-09-02
pr 0.02 feat: add cache write-behind disadvantage Terse conventional commit message with n 2024-01-06
pr 0.02 vi: Add Vietnamese translation Brief informal note; the remaining struc 2021-08-04
pr 0.02 Add pandoc for PDF creation and GitHub Actions for auto-gene Detailed project-specific changes and en 2021-12-26
pr 0.02 ja: Update some translations Terse wording and specific translation r 2020-08-18
pr 0.02 Fix broken link to Redis architecture overview Concise, specific maintenance note with 2026-05-05
pr 0.02 feat: add Ukrainian translation Informal wording and template usage indi 2025-12-01
pr 0.02 Add SECURITY.md Brief and direct wording provides no mea 2026-04-02
pr 0.01 Update Typo in code snippet Brief, informal typo description is char 2023-01-21
pr 0.01 Add PACELC theorem Extremely terse and domain-specific, wit 2021-11-30
pr 0.01 de: Add German (README-de.md) translation Only a translation title is provided; re 2026-07-02
pr 0.01 kk: add kazakh language Only a terse translation title plus the 2026-06-27
pr 0.01 Update Layer 4 and Layer 7 load balancing links Minimal summary with no AI-style phrasin 2026-06-27
pr 0.01 Fix typo in Layer 4 load balancing section Terse, specific typo correction is chara 2026-06-27
pr 0.01 Fix typo: Graphs databases -> Graph databases Terse, specific typo fix with direct fil 2026-06-24
pr 0.01 Fix OOP solution bugs and sync translation question tables Dense, project-specific bug details stro 2026-06-06
pr 0.01 Fix link for UDP vs TCP Concise description with concrete link r 2025-10-14
pr 0.01 Use WaybackMachine link to removed dyn.com DDoS article Very terse, specific wording strongly su 2021-09-15
pr 0.01 update link for nignx arch and add load balancing article. Informal phrasing, typos, and lowercase 2026-04-14
pr 0.01 Add Glitch Extremely terse wording is more characte 2026-04-05
commit 0.00 Fix link for UDP vs TCP (#1153) Very terse, specific commit message typi 2026-03-20
commit 0.00 Fix broken link to PayPal Developer Blog (#1189) Brief, technical, human-style update mes 2026-03-15
commit 0.00 Update link for understanding latency vs throughput (#1163) Standard short commit message, nothing A 2026-03-12
commit 0.00 Fix URL for Layer 4 load balancing (#1181) Concise technical commit, no AI signals. 2026-03-12
commit 0.00 Fix link for push and pull CDNs (#1190) Minimal message, domain-specific, human 2026-03-11
commit 0.00 Fix grammar in Motivation section (#1203) Brief and specific, no AI writing hallma 2026-03-08
commit 0.00 Fix "Design a key-value store like Redis" link (#1197) Simple fix message, uses domain terms, h 2026-03-08
commit 0.00 Fix broken link to "How to ace a systems design interview" ( Typical commit fixing a link, phrasing i 2025-11-03
commit 0.00 Fix broken CAP theorem link #1160 (#1161) Terse, technical fix message; clear huma 2025-11-01
commit 0.00 Fix Korean translation link (#1147) Short, domain-specific commit; normal hu 2025-10-30
commit 0.00 Update all lecloud.net links (#1042) Direct, task-focused commit with standar 2025-05-21
commit 0.00 Add Stripe engineering blog (#592) Standard, concise PR title with no AI in 2024-12-02
commit 0.00 Fix links to Debunking the myths of RPC and REST (#855) Clear, specific, and concise human-like 2024-06-29
commit 0.00 Fix DNS routing hyperlinks (#872) Short, technical, no signs of AI generat 2024-06-23
commit 0.00 Fix Scalability Article links (#750) Direct explanation with domain-specific 2023-03-16
commit 0.00 Fix top k requests link (#717) Simple, standard technical message. 2022-12-11
commit 0.00 Update latency vs throughput blog link (#716) Standard, straightforward technical upda 2022-11-13
commit 0.00 Fix typo (#694) Brief, to-the-point, typical commit mess 2022-07-31
commit 0.00 Fix typos (#661) Terse, domain-typical, no AI phrasing. 2022-04-23
commit 0.00 Fix # 650: Replace broken weighted round robin link (#651) Direct and uses common technical referen 2022-04-20
commit 0.00 Fix memcache architecture URL (#631) Commit message is terse and domain-speci 2022-02-13
commit 0.00 Update GitHub Engineering Blog link Brief, direct and domain-specific fix. 2021-11-17
commit 0.00 Fix capitalization of Dropbox (#511) Short, precise commit message, human sty 2021-05-09
commit 0.00 Fix LRU cache link (#505) Terse, technical wording typical of huma 2021-02-16
commit 0.00 Fixing the indieflashblog address with archive.org since web Direct, includes casual thanks, human st 2021-02-16
commit 0.00 Fixing the indieflashblog address with archive.org since web Direct, straightforward description of c 2021-01-24
commit 0.00 Fix Celery URL (#486) Brief fix description, no AI signals. 2020-12-29
commit 0.00 Update broken HBase architecture link (#481) Simple update with technical reference. 2020-10-30
commit 0.00 Fix translations link in PR template (#451) Terse, technical language, no AI phrasin 2020-08-02
commit 0.00 Fix #335: Update OSI image to Open Systems Interconnection ( Uses domain-specific reference, terse st 2020-08-02
commit 0.00 Remove Imgur dependency by storing images locally (#168) Commit message is terse and domain-speci 2020-07-18
commit 0.00 Remove extraneous __init__.py (#393) Brief, typical human commit format. 2020-07-12
commit 0.00 Resolve #281: Add design stock exchange links (#441) Co-authored message, domain terms, human 2020-07-12
commit 0.00 Update README.md Generic commit, lacks AI phrasing. 2020-07-12
commit 0.00 Change disk to HDD for clarity (#295) Short, topic-specific wording; human sty 2020-07-11
commit 0.00 Clarify CDN advantages (#310) Concise technical commit, human phrasing 2020-07-10
commit 0.00 Add links for latency based and geolocation based routing (# Brief, domain-specific, human wording. 2020-07-10
commit 0.00 Update dead links (#321) Terse commit, typical of human authors. 2020-07-09
commit 0.00 Fix loop bug in deck of cards exercise (#396) Direct bug fix wording, no AI signals. 2020-07-08
commit 0.00 Add CAP theorem video link (#400) Simple, domain-specific commit, definite 2020-07-08
commit 0.00 Remove redundant SQL index in Pastebin exercise (#405) Standard commit summary, no AI signals. 2020-07-07
commit 0.00 Fix Mint exercise bugs and typos (#409) Direct, terse phrasing with no AI hallma 2020-07-07
commit 0.00 kr: Fix Korean translation link in language index (#340) Domain-specific, concise phrasing. 2020-07-05
commit 0.00 Add system design template link (#433) Brief and specific addition, no AI signa 2020-07-05
commit 0.00 Fix #313: Clarify availability patterns (#439) Template-style, concise issue fix, not A 2020-07-05
commit 0.00 Fix typos in Twitter and web crawler exercises (#438) Direct typo fix, brief and domain-specif 2020-07-05
commit 0.00 Update Twitter back-of-the-envelope calculations (#414) Technical summary, concise, no AI indica 2020-07-04
commit 0.00 Fix typo: Change replication to federation (#418) Clear typo correction, very brief. 2020-07-04
commit 0.00 Check dependencies in Ebook gen script (#406) Direct technical phrasing, no AI signals 2020-07-04
commit 0.00 Resolve #164 - Fix phrasing with availability and partition Commit is terse and references an issue; 2020-07-04
commit 0.00 Highlight translation request (#437) Concise commit, no AI indicators. 2020-07-03
commit 0.00 Add status of translations (#436) Brief and typical human commit message. 2020-07-03
commit 0.00 Add pull request template (#435) Standard commit for template addition; h 2020-07-02
commit 0.00 Update contributing guidelines for translations (#434) Commit updates guidelines; content is su 2020-07-02
commit 0.00 Fix layer 7 load balancers typo (#317) Domain-specific term, informal message. 2020-07-01
commit 0.00 Fix single point of failure typo (#398) Short commit fixing typo; human style. 2020-07-01
commit 0.00 Add missing comma in Mint solution (#399) Human-like correction, minimal context. 2020-07-01
commit 0.00 Update "Scaling up to your first 10 million users" link (#41 Direct link update; concise, human phras 2020-05-26
commit 0.00 zh-Hans: Translate solutions (#392) References zh-Hans translation; typical 2020-03-30
commit 0.00 Revert "zh-cn: Sync with upstream to keep it up-to-date (#37 Terse commit message; specific content, 2020-03-10
commit 0.00 zh-cn: Sync with upstream to keep it up-to-date (#374) Brief sync description; human-generated 2020-03-10
commit 0.00 Fix broken link in CAP theorem section (#348) Direct reference to fixing a link; human 2020-02-17
commit 0.00 Fix broken CAP theorem link (#355) Short, specific fix; no AI stylistic hin 2020-01-21
commit 0.00 Fix broken round robin links (#351) Clear, technical, succinct message; huma 2020-01-15
commit 0.00 Change raise NotImplemented to raise NotImplementedError (#3 Specific Python error fix; human jargon 2019-12-27
commit 0.00 ja: Fix mistranslation in SQL tuning section (#305) Explicit mistranslation fix; domain jarg 2019-12-09
commit 0.00 zh-Hans: Change translation in SQL tuning (#318) Brief translation change message; inform 2019-12-09
commit 0.00 Add API security checklist (#328) Human, concise checklist addition; no AI 2019-11-03
commit 0.00 ja: Fix translation in Service Discovery section (#308) Brief translation fix; uses domain jargo 2019-08-13
commit 0.00 ja: Fix translation in “Disadvantage(s): load balancer” (#30 Commit message is terse and standard hum 2019-08-13
commit 0.00 ja: Fix translation in "Anki flashcards" (#306) Concise, direct, domain-specific; no AI 2019-08-13
commit 0.00 JA: Fix mistranslation in Federation section (#303) Brief and uses domain jargon; typical hu 2019-08-05
commit 0.00 ja: Fix translation in horizontal scaling section (#301) Direct explanation, proper use of jargon 2019-08-03
commit 0.00 JA: Fix mistranslation in Push CDNs section (#300) Terse style, domain-specific, human-writ 2019-08-03
commit 0.00 JA: Fix mistranslation in Weak consistency section (#299) Uses domain terminology, brief and techn 2019-08-03
commit 0.00 ja: Fix mistranslation in "Horizontal scaling" Short, specific, and informal; human aut 2019-07-26
commit 0.00 JA: Fix mistranslation in Reverse proxy (web server) section Uses technical detail, informal and dire 2019-07-10
commit 0.00 JA: Fix mistranslation in Horizontal scaling section Technical explanation, informal list; cl 2019-07-08
commit 0.00 ja: Fix typo of Big-O notation in KVS section (#292) Brief, precise, domain-specific; no AI s 2019-07-06
commit 0.00 zh-Hans: Translate Pastebin solution (#273) Very terse, domain-specific commit summa 2019-06-16
commit 0.00 Add Hebrew translation link (#286) Brief technical summary, no AI hallmarks 2019-05-31
commit 0.00 Update language lists in translations (#280) Concise, technical wording, human style. 2019-05-14
commit 0.00 Add availability in numbers section (#237) Short, specific changes, no AI traits. 2019-05-12
commit 0.00 Add Ebook generation script (#207) Direct commit description, human phrasin 2019-05-12
commit 0.00 Translate language list (#252) Technical task name, no AI signals. 2019-05-11
commit 0.00 Enable syntax highlighting in all python code snippets (#268 Concise, domain-specific, lacks AI featu 2019-05-07
commit 0.00 Update HDFS design link to the latest version (#275) Specific technical update, brief wording 2019-05-07
commit 0.00 Add article link: How Twitter Handles 3,000 Images/sec (#124 Direct article reference, human style. 2019-04-10
commit 0.00 Fix broken SQL link in Scaling AWS exercise (#258) Minimal, repetitive, common human commit 2019-03-18
commit 0.00 Enable Python syntax highlighting in Pastebin sample code (# Terse, technical commit message typical 2019-03-04
commit 0.00 Update document-store to document store (#255) Very brief and technical correction; hum 2019-02-28
commit 0.00 Fix typo in Twitter timeline and search solution (#251) Casual, specific typo fix; lacks AI hall 2019-02-11
commit 0.00 Fix grammar in document store section (#247) Direct, minimal grammar fix; human tone 2019-02-03
commit 0.00 zh-Hans: Fix typo (#246) Short, specific language fix; human styl 2019-01-20
commit 0.00 Add missing word in cache write through discussion (#245) Concise technical adjustment; matches hu 2019-01-05
commit 0.00 Add Bengali translation link (#242) Directly describes Bengali translation l 2018-12-28
commit 0.00 Fix #228: Address mutex latency discrepancy (#233) References specific issue, technical fix 2018-12-19
commit 0.00 Add Link: A 360 Degree View Of The Entire Netflix Stack (#22 Straightforward addition of link; inform 2018-11-14
commit 0.00 zh-TW: Update index anchors (#227) Brief language update message; lacks AI 2018-10-31
pr 0.00 ja: Change Wikipedia link from human handshake to computer h Only contains template text and a concis 2026-08-04
pr 0.00 Probando un fork Extremely terse, informal text with no A 2026-08-07
pr 0.00 Change Wikipedia link from human handshake to computer hands Only contains template text and a concis 2026-08-04
pr 0.00 fix: embed flashcard deck media Contains only the repository's template 2026-06-26
pr 0.00 test commit Contains only the repository's template 2026-06-23
pr 0.00 Fix alignment of image in README.md Contains only template text plus a terse 2026-06-10
pr 0.00 Fix typo in disadvantages of write-back mode Only repository template text is present 2026-05-21
pr 0.00 Fix: Typo "Graphs databases" corrected to "Graph databases" Brief, domain-specific edit with informa 2026-03-28
pr 0.00 docs: fix incorrect anchor link in Japanese translation Very terse technical fix, no AI signals. 2026-03-04
pr 0.00 docs: correct cache terminology (evict vs invalidate) and up Domain jargon and terse changelog, human 2026-02-20