Node Apps Performance Tuning

Transcript

1. Node Apps Performance Tuning @ikemonn

2. @ikemonn ΠϯϑϥΤϯδχΞ

3. ໨࣍ 1. ߏ੒ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ

4. ໨࣍ 1. ߏ੒ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ

5. v4.4.3 v3.0.8

6. ໨࣍ 1. ߏ੒ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ

7. response timeΛ֤ॲཧͰଌఆ 1. ࣗ෼Ͱॻ͍ͨίʔυͷܭଌ

8. var dogstatsd = require('libs-dogstatsd') const stats = dogstatsd.start(); // some

   method stats.tick('test'); libs-dogstatsd
9. None

10. CPU? or Memory? 2. ࣗ෼Ͱॻ͍ͨίʔυҎ֎ͷܭଌ

11. node-inspector/v8-profiler thlorenz/traceviewify

12. x࣠: CPU time y࣠: stack trace

13. ԣ෯͕޿͘(CPU timeΛফඅ͍ͯͯ͠) ΪβΪβͰͳ͍(ಛఆͷॲཧ͕ϘτϧωοΫ) ΋ͷΛ୳͢

14. virtual

15. • Mongoose Document • vogels • console.error

16. ໨࣍ 1. ߏ੒ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ

17. • Mongoose Document • lean()Λ࢖͏ • vogels • aws-sdkΛ࢖͏ •

    console.error • stackΛग़͢৔ॴΛߜΔ

18. 25%վળʂ

19. ໨࣍ 1. ߏ੒ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ

20. None

21. profileΛऔΔ͜ͱͰ ࣗ෼ͷίʔυҎ֎ͷ ϘτϧωοΫʹؾ͚ͮͨʂ

22. We are hiring! https://www.wantedly.com/projects/54721