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

Microservices - The Naked Truth Of The Maintain...

Avatar for Jakub Kubryński Jakub Kubryński
April 03, 2017
Programming
740
1

Microservices - The Naked Truth Of The Maintainability

Avatar for Jakub Kubryński

Jakub Kubryński

April 03, 2017

More Decks by Jakub Kubryński

See All by Jakub Kubryński
Autonomous deployments in modern distributed systems
Avatar for Jakub Kubryński jkubrynski
1
130
Bulletproof communication in distributed systems
Avatar for Jakub Kubryński jkubrynski
0
560
JVM Workshop
Avatar for Jakub Kubryński jkubrynski
1
210
Engineering architecture
Avatar for Jakub Kubryński jkubrynski
0
830
Case study of the good enough architecture
Avatar for Jakub Kubryński jkubrynski
0
470
JPA - Beyond Copy-Paste
Avatar for Jakub Kubryński jkubrynski
3
1.6k

Other Decks in Programming

See All in Programming
AWSはOSSをどのように 考えているのか？
Avatar for アキキー | Akihisa Ikeda akihisaikeda
1
140
誰も頼んでない機能を出荷した話
Avatar for Hidetaka Toriyama zekutax
0
120
inferと仲良くなる10分間
Avatar for ryokatsuse ryokatsuse
1
240
AgentCore Optimizationを始めよう！
Avatar for matsukada licux
4
280
TSKaigi 2026 TypeScriptバックエンドのオブザーバビリティ戦略 — Datadog × NestJSの実践
Avatar for Taisei Yamamoto taiseiyamamotoan
1
180
Spec-Driven Development with AI Agents (Workshop, May 2026)
Avatar for Anton Arhipov antonarhipov
4
430
Augmenting AI with the Power of Jakarta EE
Avatar for ivargrimstad ivargrimstad
0
130
These Five Tricks Can Make Your Apps Greener, Cheaper, & Nicer
Avatar for Holly Cummins hollycummins
0
170
関係性から理解する"同一性"の型用語たち
Avatar for pvcresin pvcresin
2
510
サプライチェーン攻撃対策「層を重ねて落ちない壁」を10日間で組み上げた話 #TechLeadConf2026
Avatar for Kashun Yoshida kashewnuts
1
360
Why Laravel apps break—Mastering the fundamentals to keep them maintainable
Avatar for 武田 憲太郎 kentaroutakeda
1
180
The Arts and Crafts of Work in the AI Era — Toward Mastery in Software Development
Avatar for Yoshihito Kuranuki / 倉貫義人 kuranuki
0
300

Featured

See All Featured
A brief & incomplete history of 
UX Design for the World Wide Web: 1989–2019
Avatar for Jason CranfordTeague jct
2
380
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
2
200
Navigating Weather and Climate Data
Avatar for Ryan Abernathey rabernat
0
200
DevOps and Value Stream Thinking: Enabling flow, efficiency and business value
Avatar for Helen Beal helenjbeal
1
190
Fashionably flexible responsive web design (full day workshop)
Avatar for Andy Clarke malarkey
408
66k
Agile Leadership in an Agile Organization
Avatar for Dr. Kim W Petersen kimpetersen
PRO
0
150
Build your cross-platform service in a week with App Engine
Avatar for Jose L jlugia
234
18k
New Earth Scene 8
Avatar for Sydney Stone popppiees
3
2.3k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
Avatar for Tammy Everts tammyeverts
11
920
The World Runs on Bad Software
Avatar for Brandon Keepers bkeepers
PRO
72
12k
The Invisible Side of Design
Avatar for Vitaly Friedman smashingmag
302
52k
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
12
1.1k

Transcript

  1. @jkubrynski / kubrynski.com MICROSERVICES THE NAKED TRUTH OF THE MAINTAINABILITY

    JAKUB KUBRYNSKI [email protected] / @jkubrynski / kubrynski.com

  2. $ WHOAMI DEVSKILLER CO-FOUNDER BOTTEGA TRAINER DEVOXX.PL PROGRAM COMMITTEE MEMBER

    SPRING CLOUD CONTRACT CO-AUTHOR

  3. Prawdziwego programistę poznaje się nie po tym, jak zaczyna, ale

    jak utrzymuje.

  4. HOW MICRO? 100 LOC? 1K LOC? 10K LOC? 100K LOC?

  5. 1K LOC AVERAGE ENTERPRISE APP == 500K LOC 1 ENTEPRISE

    APP == 500 MICROSERVICES

  6. BUSINESS ORIENTED FOR TECHNICAL STUFF WE HAVE LIBS

  7. AUTONOMY

  8. INDEPENDENCE P = P(1) * P(2) * ... * P(N)

  9. 99.8 * 99.8 * 99.8 = 99.4

  10. 99.9 ^ 10 = 99.0

  11. AVAILABILITY VS DOWNTIME 9 9 . 9 9 9 %

    35d 4d 8h 50m 5m per year 2.5h 14m 1.5m 8s 0.8s per day

  12. DEPTH * * SYNCHRONOUS

  13. QUALITY

  14. LOOSE COUPLING OVER CANONICAL MODEL

  15. AVOID END-TO-END TESTS

  16. VERIFY CONTRACTS IF: A == C && B == C

    THEN: A == B

  17. DESIGN FOR FAILURE

  18. RETRY

  19. CIRCUIT BREAKER KEEP CALM AND FALLBACK

  20. FIX AS ASAP AS POSSIBLE

  21. PERFORMANCE

  22. PERFORMANCE TESTS EXPENSIVE INACCURATE TRICKY

  23. PRODUCTION TRAFFIC IS USUALLY ON PRODUCTION

  24. MONITORING APPLICATION PERFORMANCE MANAGEMENT

  25. ANSCOMBE'S QUARTET

  26. PERCENTILES P50, P90, P95, P99

  27. P?? P95? P99? P99.5?

  28. 10 REQUESTS PER PAGE P90: 100% slow page views P95:

    50% slow page views P99: 10% slow page views

  29. P99 10 PAGES PER SESSION MEANS 100% FRUSTRATED USERS

  30. MONITOR P99.9 OR P99.95

  31. AUTOMATION * * AS A CODE

  32. PIPELINES AS A CODE

  33. INFRASTRUCTURE AS A CODE

  34. CONFIGURATION AS A CODE

  35. None

  36. QUESTIONS?

  37. THANKS

  38. "Have no fear of perfection - you'll never reach it."

    ― Salvador Dalí