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

Memory Chronicles: Manage, Trace and Fix Memory Leaks

8cf49d39d44f100e1afed5c5a259fed4?s=47 Giovanny Gongora
December 12, 2019
Technology
0
25

Memory Chronicles: Manage, Trace and Fix Memory Leaks

Talk at Node+JS Interactive 2019

8cf49d39d44f100e1afed5c5a259fed4?s=128

Giovanny Gongora

December 12, 2019
Tweet

More Decks by Giovanny Gongora

See All by Giovanny Gongora
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
14
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
17
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
1
22
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
1
470
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
120
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
1
55
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
420
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
110
8cf49d39d44f100e1afed5c5a259fed4?s=48 gioyik
0
100

Other Decks in Technology

See All in Technology
46e8de7d6e95be6327e8c49bf3b0c028?s=48 chao2suke
0
300
79296c878944dabeffcc122318d84f34?s=48 cocacola917
0
4.4k
3318abf64ba11ee70d4f5dee62051801?s=48 tagucch
0
150
Cc21f5175d3e9cd0f9574c3fe7656c1e?s=48 ryousukeoomae
0
130
380bcd2ab751f5838abd8219df53e5fe?s=48 tomoki10
0
190
4bcb32bcb73d1ead993a6ad55b189e9e?s=48 rluisr
0
130
B78199b075c1bbf42f205e04eb2bd764?s=48 himidev
5
3.3k
96c31fe94f5e9b0eef4a606eaadcbc04?s=48 yoshiiryo1
0
530
Db970064044641bf2b495822d66f0685?s=48 higebu
1
240
351ad6de24f57760f9275bc0ad06e564?s=48 quiver
0
180
966e29b84ae7dbde170f66b0bc75b7a6?s=48 ishiayaya
0
530
61f90740b91146cdf166bf74c6c4885f?s=48 sadynitro
0
300

Featured

See All Featured
5b6a2bd86ef643786a381a212e0ef2f1?s=48 geoffreycrofte
42
1.5k
Eb8975af8e49e19e3dd6b6b84a542e26?s=48 qrush
288
19k
B47b288784fda77a94aeb234ca743c24?s=48 keavy
111
15k
761be20b5ebd271008bcee1244fc5b52?s=48 matthewcrist
73
7.7k
1519587b1a0febb658c36c94f6272b0d?s=48 roundedbygravity
85
8.2k
79acae287842acf29084005533a7fb3b?s=48 hursman
111
9.5k
B6a8f005f39d23ffc930508ac9da68b9?s=48 vanstee
122
5.1k
766b9746b59e6f09e280cd33cf4ed419?s=48 skipperchong
13
1k
F716e5f737fcfb03f2cf8d1a184f1dbe?s=48 nonsquared
84
3.6k
C1daf20e5c49ff910745198ef9869ac2?s=48 hatefulcrawdad
256
17k
D8fc2580cfaca035f666d9e4ee79a7f7?s=48 mongodb
25
4.1k
C9b18d9dff88a9dd2393364c2b3b21bd?s=48 colly
190
14k

Transcript

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

    @Gioyik

  2. Giovanny gio@nodesource.com @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!