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

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

Avatar for Giovanny Gongora Giovanny Gongora
December 12, 2019
Technology
0
130

Memory Chronicles: Manage, Trace and Fix Memory Leaks

Talk at Node+JS Interactive 2019

Avatar for Giovanny Gongora

Giovanny Gongora

December 12, 2019
Tweet

More Decks by Giovanny Gongora

See All by Giovanny Gongora
Profile & Analyze Node.js Applications
Avatar for Giovanny Gongora gioyik
0
96
Node.js Contributor Workshop
Avatar for Giovanny Gongora gioyik
0
83
Profile & Analyze Node.js Applications like a Pro
Avatar for Giovanny Gongora gioyik
1
73
Leak Hunting - Finding and debugging a memory leak in Nodejs.pdf
Avatar for Giovanny Gongora gioyik
1
930
Finding and debugging a memory leak in Node.js
Avatar for Giovanny Gongora gioyik
0
190
Road to LISP heaven
Avatar for Giovanny Gongora gioyik
1
120
Leak Hunting: Finding and debugging a memory leak in Node.js
Avatar for Giovanny Gongora gioyik
0
550
Performance first: Node.js and Rust
Avatar for Giovanny Gongora gioyik
0
180
Time for Growth
Avatar for Giovanny Gongora gioyik
0
140

Other Decks in Technology

See All in Technology
ソースを読むプロセスの例
Avatar for Satoru Takeuchi sat
PRO
13
7.3k
やる気のない自分との向き合い方/How to Deal with Your Unmotivated Self
Avatar for Genki Sano sanogemaru
0
510
20201008_ファインディ_品質意識を育てる役目は人かAIか___2_.pdf
Avatar for ファインディ株式会社（イベント資料アップ用） findy_eventslides
2
640
名刺メーカーDevグループ 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
0
930
プロダクトのコードから見るGoによるデザインパターンの実践 #go_night_talk
Avatar for 弁護士ドットコム bengo4com
1
2.6k
リセラー企業のテクサポ担当が考える、生成 AI 時代のトラブルシュート 2025
Avatar for kazzpapa3 kazzpapa3
1
350
[Keynote] What do you need to know about DevEx in 2025
Avatar for Salaboy salaboy
0
180
防災デジタル分野での官民共創の取り組み (2)DIT/CCとD-CERTについて
Avatar for Masakatsu Sugii ditccsugii
0
300
Simplifying Cloud Native app testing across environments with Dapr and Microcks
Avatar for Salaboy salaboy
0
170
今この時代に技術とどう向き合うべきか
Avatar for gree_tech gree_tech
PRO
2
1.9k
Findy Team+ QAチーム これからのチャレンジ！
Avatar for ファインディ株式会社（イベント資料アップ用） findy_eventslides
0
300
Geospatialの世界最前線を探る [2025年版]
Avatar for Yasunori Kirimoto dayjournal
1
220

Featured

See All Featured
KATA
Avatar for Megan Lloyd mclloyd
32
15k
Facilitating Awesome Meetings
Avatar for Lara Hogan lara
56
6.6k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
9
980
Imperfection Machines: The Place of Print at Facebook
Avatar for Scott Boms scottboms
269
13k
The Power of CSS Pseudo Elements
Avatar for Geoffrey Crofte geoffreycrofte
79
6k
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
246
12k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
73
11k
XXLCSS - How to scale CSS and keep your sanity
Avatar for Zaharenia Atzitzikaki sugarenia
248
1.3M
Speed Design
Avatar for Sergey Chernyshev sergeychernyshev
32
1.2k
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
220k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
508
140k

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!