RailsのCacheつかってますか？@表参道.rb #44

by YABOO JAPAN

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RailsͷCache͔ͭͬͯ·͔͢ʁ @yaboojp on දࢀಓ.rb #44 2019/3/7

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Self • Name: େ༅ Ӭ / @yaboojp • Jobs: • 22Inc. Co-Founder & CTO • ex NTTdata • Location: ژ౎ -> ౦ژ • Favorites: ΫϥϑτϏʔϧ, Իָ, όΠΫ, JALϚΠ ϧ

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No content

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Cacheͱ͍ͬͯ΋৭ʑ $MJFOU /HJOY 6OJDPSO 3%#.4 )UUQ)FBEFS &YQJSFT &5BH $BDIF$POUSPM -BTU .PEJpFEͳͲ 1BHF$BDIF 'SBHNFOU$BDIF "DUJPO$BDIF .JEEMFXBSF  7BSOJTI 4RVJEͳͲ $%/ $MPVE'MPOUͳͲ 42-$BDIF ௿ϨϕϧΩϟογϡ %/4 -#

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on Railsͳͱ͚ͩ͜

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PageCacheͱ͸ • Rails3·Ͱ͸ඪ४૷උ͕ͩͬͨɺࠓ͸Gem • ॳճΞΫηε࣌Ҏ֎Rubyʹ࢓ࣄͤ͞ͳ͍

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PageCache ࣮ݧ • ྫ͑͹͜Μͳϖʔδʹ΍ΔͱͲ͏͔ʁ

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PageCache ݁Ռ • ݁Ռɿ 173ms => 170ms • 1.7%ߴ଎Խ... ͱ͍͏͔ɺ΄΅มΘΒͳ͍ • ಈతίϯςϯπ͕গͳ͍ViewͰ΍Δҙຯ͸͋·Γͳ ͍ • ͨͩɺunicornͳͲͷAppαʔόͷෛՙܰݮɺো֐࣌ Ͱ΋ฦͤΔͱ͍ͬͨϝϦοτ͸͋Δ

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͡Ό͋ɺ ಈతίϯςϯπ͕ଟ͍ϖʔδ ͰPageCache࢖ͬͯΈΑ͏

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PageCache ஫ҙ఺ • Railsͷaction͕Ұ੾࣮ߦ͞Εͳ͍ͨΊɺ֤छ ϩδοΫ͸΋ͪΖΜɺೝূ͢Β͢Γൈ͚Δ Ϣʔβຖͷ ίϯςϯπΤϦΞ ͕͜͜ॳճʹΞΫηεͨ͠Ϣʔβͷ৘ใͱͯ͠Ϩϯμ Ϧϯά͞Εͨ)5.-Λৗʹฦ͢ ˞෦෼తʹ"KBYߋ৽͢Δઃܭ͸͋Γ

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࢖͍ॴ͕ͳ͔ͬͨ

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PageCache ΦϚέ • ͠ΐ͏͕ͳ͍ͷͰɺ͜͏͍͏࣮ݧ • ݁Ռɿ 1100ms => 100ms ͙Β͍

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PageCache ·ͱΊ • Railsʹ౸ୡ͠ͳ͍ͷڧ͍ • ίϯςϯπͷग़͠෼͚ͳͲʹ͸࢖͑ͳ͍ͳͲ ࢖͍ॴ͕ݶఆ͞ΕΔ • ಋೖίετΊͬͪΌ௿͍

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஌ݟ!!...??

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࣍ʂʂ

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FragmentCacheͱ͸ • Ұ౓ϨϯμϦϯάͨ͠ViewϑΝΠϧΛϑϥά ϝϯτͱ͍͏୯ҐͰCacheStoreʹอଘ Ωϟογϡ͍ͨ͠ ΤϦΞ 'SBHNFOU

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FragmentCache ઃఆ • อଘઌ͸ࣗ༝ʹઃఆ

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FragmentCache ࢖͍ํ • key͸ id + updated_at ͱ͔ҰҙʹͳΔΑ͏ʹ

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ϩγΞϯυʔϧΩϟογϡ

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FragmentCache σόοά • ։ൃ؀ڥ͸ઃఆೖΕͱ͘ͱ • ͜ΜͳΩϟογϡͷར༻ঢ়گ͕֬ೝͰ͖Δ

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FragmentCache #1 • ͋Γ;Εͨ৘ใϖʔδ • 800ms -> 720ms 10%ߴ଎Խ

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FragmentCache #2 • ΊͬͪΌॏ͍ϖʔδ • 9925ms -> 805ms 1240%ߴ଎Խ ͳΜ͔ΞϗΈ͍ͨ ʹॏ͍ϖʔδ ʢ/ؚΉʣ

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ద੾ʹExpireͤ͞Δ keyʹ஫ҙ • id + updated_at ͱ͔͕ϕετϓϥΫςΟε • ϛεͬͨΒେࣄނʹͳΔ͜ͱ΋

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ΩϟογϡͰૣͯ͘͠Α Ωϟογϡͳ͍ͱ஗͍ ΋ͬͱΩϟογϡΛ ஗͍ʂʂ ੑೳ Ωϟογϡ ผͷՕॴ͕஗͘ͳΔͱ Ωϟογϡ