Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Don't Fear the Walking Dead - How to get rid of...

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Sebastian Heuer Sebastian Heuer
September 30, 2016
Technology
110
0

Don't Fear the Walking Dead - How to get rid of a zombie

together with Sebastian Thoß at code.talks 2016

Avatar for Sebastian Heuer

Sebastian Heuer

September 30, 2016

More Decks by Sebastian Heuer

See All by Sebastian Heuer
The State of Asynchronous PHP
Avatar for Sebastian Heuer sebastianheuer
0
44
Typescript - A Marriage Counselor for Frontend and Backend
Avatar for Sebastian Heuer sebastianheuer
0
47
The Myth of Untestable Code
Avatar for Sebastian Heuer sebastianheuer
0
39
Deployment without the Hassle @ IPC 2016
Avatar for Sebastian Heuer sebastianheuer
1
62
99% is not enough
Avatar for Sebastian Heuer sebastianheuer
0
130
A Developer's Survival Guide for the Microservice Era
Avatar for Sebastian Heuer sebastianheuer
2
390
PHPUGHH - Deployment with OS Packages
Avatar for Sebastian Heuer sebastianheuer
0
86
How to manage your Project's Toolchain in 2016
Avatar for Sebastian Heuer sebastianheuer
1
55
Don't Fear the Walking Dead - How to get rid of a monolith
Avatar for Sebastian Heuer sebastianheuer
0
85

Other Decks in Technology

See All in Technology
Kaggle未経験社員をメダリストに育てる「AIドラゴン桜」
Avatar for LINEヤフーTech (LY Corporation Tech) lycorptech_jp
PRO
0
650
美味しいスイスチーズを作ろう🧀🐭
Avatar for Taiga Mikami taigamikami
1
140
GitHub Copilot CLI の Rubber Duck 機能を使ってコーディングの品質をあげよう #techbaton_findy
Avatar for すてにゃん stefafafan
2
1.2k
形式手法特論：公平性制約の位相的特徴づけ #kernelvm / Kernel VM Study Kansai 12th
Avatar for y_taka_23 ytaka23
1
570
GitHub Copilot のこれまでとこれから: From Copilot to Collaborative Agents
Avatar for yuriemori yuriemori
1
230
責任あるソフトウェアエンジニアリングの紹介4章・5章 / RSE_Ch4-5
Avatar for id ido_kara_deru
0
370
ルールやカスタム機能、どう使う？理想の出力を引き出すために今知りたいIBM Bob 5つの機能
Avatar for mu (Mizuho Uehara) muehara
0
120
ITエンジニアを取り巻く環境とキャリアパス / A career path for Japanese IT engineers
Avatar for 高玉 広和 / TAKATAMA Hirokazu takatama
4
1.8k
データ分析基盤の信頼を支える視点と設計
Avatar for Yuki yuki_saito
2
760
Kiro CLI v2.0.0がやってきた！
Avatar for Hiroo Katoh kentapapa
0
210
AIガバナンス実践 - 生成AIコネクタのデータ漏洩リスクと実務対策
Avatar for 西岡 賢一郎 (Kenichiro Nishioka) knishioka
0
140
最低限これだけ押さえれ大丈夫_Claude Enterprise/Team企業展開ガバナンス入門
Avatar for t-kikuchi tkikuchi
1
500

Featured

See All Featured
We Analyzed 250 Million AI Search Results: Here's What I Found
Avatar for Josh Blyskal joshbly
1
1.3k
Avoiding the “Bad Training, Faster” Trap in the Age of AI
Avatar for Mike Taylor tmiket
0
160
Building an army of robots
Avatar for Kyle Neath kneath
306
46k
Digital Projects Gone Horribly Wrong (And the UX Pros Who Still Save the Day) - Dean Schuster
Avatar for UX Y'all uxyall
0
1.5k
Effective software design: The role of men in debugging patriarchy in IT @ Voxxed Days AMS
Avatar for Kenny Baas-Schwegler baasie
0
370
Music & Morning Musume
Avatar for Bryan Veloso bryan
47
7.2k
Marketing Yourself as an Engineer | Alaka | Gurzu
Avatar for Gurzu gurzu
0
210
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
Avatar for Liv Day livdayseo
0
130
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
790
250k
Game over? The fight for quality and originality in the time of robots
Avatar for Wayne Barker wayneb77
1
180
Building Experiences: Design Systems, User Experience, and Full Site Editing
Avatar for Michelle Schulp Hunt marktimemedia
0
520
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
133
19k

Transcript

  1. HOW TO GET RID OF A ZOMBIE DON’T

  2. None
  3. None
  4. None

  5. How we started • built on top of a standard

    e-commerce platform • a lot of custom code to support a wide combination of product options Feature X Feature Y Feature Z Core Code Customization

  6. The challenges of a growing business • serious performance issues

    • own developers don’t feel comfortable with the code • adding individual features is too complex • upgrading is hard

  7. Finding a way out

  8. You don’t have to replace everything at once!

  9. What part of the software causes the highest amount of

    pain? • category pages • product detail pages

  10. Planning

  11. Current Setup Legacy System Session Storage RDBMS Webserver

  12. Idea Legacy System Session Storage RDBMS Webserver New Software

  13. None
  14. None

  15. FURY Frontend Key-Value Storage getCategoryPage('hochzeit'); "<html><head>…</head><body>…</body></html>"

  16. None

  17. FURY Frontend Key-Value Storage ["SBU06HE","TEOD3HE","ANW04HD"] Search search("{'category':'hochzeit', 'filters':{}}"); getTiles(["SBU06HE","TEOD3HE","ANW04HD"]); ["<div

    class="category-item">…</div>", …]

  18. Webserver Key-Value Storage Search FURY Frontend FURY Backend FURY Components

  19. Webserver Key-Value Storage Search FURY Frontend FURY Backend Legacy RDBMS

    Legacy System Session Storage Collect & Export

  20. Webserver Key-Value Storage Search FURY Frontend FURY Backend Legacy RDBMS

    Legacy System Session Storage FURY Requests 200 OK

  21. Webserver Key-Value Storage Search FURY Frontend FURY Backend Legacy RDBMS

    Legacy System Session Storage Requests to Legacy System 404 NOT FOUND

  22. Webserver Key-Value Storage Search FURY Frontend FURY Backend Legacy RDBMS

    Legacy System Session Storage Requests to Legacy System 404 NOT FOUND 200 OK

  23. Learnings • we have full responsibility now • no framework

    needed • no relational database needed

  24. Goods and Bads • fully object-oriented • easy refactoring thanks

    to 100% code coverage • not enough automated acceptance tests • dependencies to legacy software (database changes, API calls)

  25. A/B Deployment

  26. Webserver (Router) Webserver FURY Frontend Server A K/V Storage Search

    FURY Backend Webserver FURY Frontend Server B K/V Storage Search FURY Backend

  27. Webserver (Router) Webserver FURY Frontend Server A K/V Storage Search

    FURY Backend Webserver FURY Frontend Server B K/V Storage Search FURY Backend active = A

  28. Webserver (Router) Webserver FURY Frontend Server A K/V Storage Search

    FURY Backend Webserver FURY Frontend Server B K/V Storage Search FURY Backend active = B

  29. RDBMS Read Slave Webserver FURY Frontend Server A K/V Storage

    Search FURY Backend Webserver (Router) Build Server Deploy Code active = B

  30. RDBMS Read Slave Webserver FURY Frontend Server A K/V Storage

    Search FURY Backend Webserver (Router) Build Server Deploy Code Collect & Export active = B

  31. RDBMS Read Slave Webserver FURY Frontend Server A K/V Storage

    Search FURY Backend Webserver (Router) Build Server Deploy Code Collect & Export Smoke Tests active = B

  32. RDBMS Read Slave Webserver FURY Frontend Server A K/V Storage

    Search FURY Backend Webserver (Router) Build Server Deploy Code Collect & Export Smoke Tests Switch to A active = A

  33. RDBMS Read Slave Webserver FURY Frontend Server A K/V Storage

    Search FURY Backend active = B Webserver (Router) Build Server Deploy Code Collect & Export

  34. What's next?

  35. Client /product

  36. Client /checkout/cart

  37. Client /checkout/cart Cart Service

  38. Client /checkout/cart Cart Service

  39. 11. Oktober 2016

  40. Next steps • open-source our CQRS RESTful Framework • replace

    the next parts of the legacy system with new, self-contained components / services

  41. "one hundred fifty-seven quinvigintillion, seven hundred eighty-six quattuorvigintillion, six hundred

    fifty-seven trevigintillion, seven hundred forty-seven duovigintillion, three hundred forty unvigintillion, one hundred eighty-six vigintillion, (…) nine hundred forty-five quintillion, eight hundred twenty-eight quadrillion, two hundred seventy trillion, eighty billion, …"

  42. https://www.instagram.com/kartenmacherei/ Q&A https://www.facebook.com/kartenmacherei/ +49 40 468996861 [email protected] http://www.kartenmacherei.de/recruiting