Node Apps Performance Tuning

YAPC::ASIA Hachioji 2016 mid in Shinagawa

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
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
21. profileΛऔΔ͜ͱͰ ࣗ෼ͷίʔυҎ֎ͷ ϘτϧωοΫʹؾ͚ͮͨʂ
22. We are hiring! https://www.wantedly.com/projects/54721