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

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

Sponsored · SiteGround - Reliable hosting with speed, security, and support you can count on. →
Avatar for Giovanny Gongora Giovanny Gongora
December 12, 2019
Technology
150
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
110
Profile & Analyze Node.js Applications like a Pro
Avatar for Giovanny Gongora gioyik
1
93
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
200
Road to LISP heaven
Avatar for Giovanny Gongora gioyik
1
140
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
200
Time for Growth
Avatar for Giovanny Gongora gioyik
0
160

Other Decks in Technology

See All in Technology
The Bag-of-Documents Model for Query Understanding and Retrieval
Avatar for Daniel Tunkelang dtunkelang
0
160
開発サイクルのボーダーレス化に伴う組織変革から学んだこと / Organizational Transformation Amid the Borderless Development Cycle
Avatar for miisan mii3king
0
260
20260515 OpenIDファウンデーション・ジャパンご紹介
Avatar for OpenID Foundation Japan oidfj
0
210
GitHub Copilot CLI で考える複数エージェント設計
Avatar for tomokusaba tomokusaba
0
120
Redmine次期バージョン7.0の注目新機能解説 — UI/UX強化と連携強化を中心に
Avatar for MAEDA Go vividtone
1
180
Claude Code / Codex / Kiro に AWS 権限を 渡すとき、何を設計すべきか
Avatar for Kazuki Adachi k_adachi_01
6
1.8k
AI全盛の今だからこそ、あえてもう一度振り返るAPIの基礎
Avatar for Makky12 smt7174
3
130
Vibe teaching — Python training in the age of AI (PyCon US 2026, Education Summit)
Avatar for Reuven M. Lerner reuven
0
100
既存プロダクトQAから新規プロダクトQAへ
Avatar for hashi ryotakahashi
0
160
AI-Assisted Contributions and Maintainer Load - PyCon US 2026
Avatar for Paolo Melchiorre pauloxnet
1
180
みんなの考えた最強のデータ基盤アーキテクチャ'26前期〜前夜祭〜ルーキーズ_資料_遠藤な
Avatar for Naoya Endo endonanana
0
460
サイボウズ、プラットフォームエンジニアリング始めるってよ ― プラットフォームチームの事業貢献と組織アラインメントの強化
Avatar for Shin'ya Ueoka ueokande
0
120

Featured

See All Featured
Fireside Chat
Avatar for paigeccino paigeccino
42
3.9k
Mind Mapping
Avatar for Hélio Medeiros helmedeiros
PRO
1
190
B2B Lead Gen: Tactics, Traps & Triumph
Avatar for Sophie Logan marketingsoph
0
120
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
199
73k
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
666
130k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
Avatar for Szymon Słowik szymonslowik
1
1.1k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
1
12k
The Mindset for Success: Future Career Progression
Avatar for Greg Gifford greggifford
PRO
0
330
Ruling the World: When Life Gets Gamed
Avatar for Sebastian Deterding codingconduct
0
230
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
615
210k
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
12
1.1k

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!