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

Memory Chronicles: Manage, Trace and Fix Memory...

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Giovanny Gongora Giovanny Gongora
December 12, 2019
Technology
160
0

Memory Chronicles: Manage, Trace and Fix Memory Leaks

Talk at Node+JS Interactive 2019

Avatar for Giovanny Gongora

Giovanny Gongora

December 12, 2019

More Decks by Giovanny Gongora

See All by Giovanny Gongora
Profile & Analyze Node.js Applications
Avatar for Giovanny Gongora gioyik
0
130
Node.js Contributor Workshop
Avatar for Giovanny Gongora gioyik
0
120
Profile & Analyze Node.js Applications like a Pro
Avatar for Giovanny Gongora gioyik
1
100
Leak Hunting - Finding and debugging a memory leak in Nodejs.pdf
Avatar for Giovanny Gongora gioyik
1
1k
Finding and debugging a memory leak in Node.js
Avatar for Giovanny Gongora gioyik
0
210
Road to LISP heaven
Avatar for Giovanny Gongora gioyik
1
150
Leak Hunting: Finding and debugging a memory leak in Node.js
Avatar for Giovanny Gongora gioyik
0
580
Performance first: Node.js and Rust
Avatar for Giovanny Gongora gioyik
0
210
Time for Growth
Avatar for Giovanny Gongora gioyik
0
160

Other Decks in Technology

See All in Technology
アップデートで何が変わった？デモで学んで使いこなすIBM Bob2.0
Avatar for mu (Mizuho Uehara) muehara
0
220
AI時代におけるテストの基礎の再定義 / Rethinking the Fundamentals of Testing in the AI Era
Avatar for Matsu mineo_matsuya
12
4.1k
AICoEでAIネイティブ組織への進化
Avatar for YukiOgawa yukiogawa
0
210
第67回コンピュータビジョン勉強会CVPR2026読会前編
Avatar for TSUKAMOTO Kenji tsukamotokenji
0
160
インシデント事例と
パッケージの全量解析に学ぶ
ソフトウェアサプライチェーンの守り方 / supply-chain-attack-defense
Avatar for GMO Flatt Security flatt_security
0
880
CDKで書くECSのベストプラクティス、 改めて考え直す2026 #cdkconf2026
Avatar for maki makies
3
930
キャリアLT会#3
Avatar for Beli beli68
2
230
探索・可視化・自動化を一本化 Amazon Quickでデータ活用スピードを上げる方法
Avatar for こーへい koheiyoshikawa
0
170
10年目を迎えた「ABEMA」がどのように AI 活用を推進して、AI 駆動開発にシフトしているのか / How ABEMA, entering its 10th year, is promoting the use of AI and shifting toward AI-driven development
Avatar for Yusei Yamanaka miyukki
0
360
『モデル + ハーネス』で読み解く AIエージェント入門
Avatar for oracle4engineer oracle4engineer
PRO
2
160
副作用のある Lambda でも Lambda Power Tuning は使えるのか / lambda-power-tuning-side-effects
Avatar for koukihosaka koukihosaka
1
140
Amazon Quick 入門！
Avatar for Yosuke Suzuki ysuzuki
2
130

Featured

See All Featured
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
Avatar for Sara Fernández Carmona sarafernandez
0
220
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
29
4.3k
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
6
1.2k
For a Future-Friendly Web
Avatar for Brad Frost brad_frost
183
10k
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
Avatar for Ines Montani inesmontani
PRO
0
550
How People are Using Generative and Agentic AI to Supercharge Their Products, Projects, Services and Value Streams Today
Avatar for Helen Beal helenjbeal
1
240
Highjacked: Video Game Concept Design
Avatar for Ryan Kendrick rkendrick25
PRO
1
410
How to audit for AI Accessibility on your Front & Back End
Avatar for davetheseo davetheseo
0
470
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
75
12k
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
Avatar for David Carrasco davidcarrasco
0
190
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
Avatar for David Carrasco davidcarrasco
3
190

Transcript

  1. Memory Chronicles: Manage, Trace and Fix Memory Leaks Giovanny Gongora

    @Gioyik

  2. Giovanny [email protected] @gioyik

  3. © 2019 NodeSourc e What is this really?

  4. © 2019 NodeSourc e See you at 2pm!

  5. Who had a memory issue with a Node.js application before?

  6. It happens in real life, happens in TNT

  7. Heap profiler & Timeline

  8. When to use them?

  9. Workflow for diagnosing memory leaks?

  10. TST

  11. Three Snapshot Technique

  12. What do the Shallow and Retained Size columns represent?

  13. Where should I start digging into to discover if I

    have a leak?

  14. Redacted snapshots

  15. Core Dumps

  16. Create a Core dump

  17. --abort-on-uncaught-exception

  18. LLDB

  19. Llnode

  20. Caveats

  21. llnode’s coupling to V8

  22. Promises (?)

  23. Async / Await FTW!

  24. Tips for different situations

  25. Case #1: Server Side Rendering (SSR)

  26. Case #2: Monitoring tools

  27. Case #3 Close your connections

  28. Case #4: Look for agnostic serve pages solution

  29. Case #5: Review you <THIS-to-THIS> packages

  30. Case #6: Keep naming you functions

  31. Case #6: Check how reliable are your 3rd services

  32. Crazy … right?

  33. Thank you!