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Daiki Matsui
July 02, 2016
Technology
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Node Apps Performance Tuning
YAPC::ASIA Hachioji 2016 mid in Shinagawa
Daiki Matsui
July 02, 2016
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Transcript
Node Apps Performance Tuning @ikemonn
@ikemonn ΠϯϑϥΤϯδχΞ
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࣍ 1. ߏ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ
v4.4.3 v3.0.8
࣍ 1. ߏ 2. ଌఆ 3. νϡʔχϯά 4. ·ͱΊ
response timeΛ֤ॲཧͰଌఆ 1. ࣗͰॻ͍ͨίʔυͷܭଌ
var dogstatsd = require('libs-dogstatsd') const stats = dogstatsd.start(); // some
method stats.tick('test'); libs-dogstatsd
None
CPU? or Memory? 2. ࣗͰॻ͍ͨίʔυҎ֎ͷܭଌ
node-inspector/v8-profiler thlorenz/traceviewify
x࣠: CPU time y࣠: stack trace
ԣ෯͕͘(CPU timeΛফඅ͍ͯͯ͠) ΪβΪβͰͳ͍(ಛఆͷॲཧ͕ϘτϧωοΫ) ͷΛ୳͢
virtual
• Mongoose Document • vogels • console.error
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• Mongoose Document • lean()Λ͏ • vogels • aws-sdkΛ͏ •
console.error • stackΛग़͢ॴΛߜΔ
25%վળʂ
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None
profileΛऔΔ͜ͱͰ ࣗͷίʔυҎ֎ͷ ϘτϧωοΫʹؾ͚ͮͨʂ
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