Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
SHOWROOMのDB負荷に対するキャッシュ運用のカクカクシカジカ
Search
shimizu-masaya
November 15, 2018
Programming
2.3k
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
SHOWROOMのDB負荷に対するキャッシュ運用のカクカクシカジカ
2018/11/15
ライブストリーミングHack #3 with SHOWROOM
https://mirrativ.connpass.com/event/106330/
shimizu-masaya
November 15, 2018
More Decks by shimizu-masaya
See All by shimizu-masaya
SHOWROOMエンジニアの裏側
otto0913
0
630
SHOWROOMの"最近"の負荷対策
otto0913
1
11k
SHOWROOMの泥臭い負荷対策
otto0913
1
2.2k
Other Decks in Programming
See All in Programming
そのデザイントークン、Flutterでも同じ見た目になりますか?
nakamizu
0
140
우리의 Nitro Modules는 당신의 Turbo Modules보다 아름답다
l2hyunwoo
0
240
学びを記事・スライド・Xへ高速展開する― AI-assisted Learning Loopで回すコンテンツ生成術
ochtum
0
170
GraphQL の onError と Nullability のこれから
quramy
0
200
作って学ぶSpring BootのAuto Configuration / JJUG Night Seminar 2026-10-19
rshindo
0
210
Modernizing iOS Apps
seyfoyun
0
140
AI時代のFlutter品質設計 — アプリ品質を守るQuality Layers
omatty198
0
320
AI-Powered Domain-Driven Design
ziobrando
0
360
Herb in Rails 8.2: Your ERB views, now HTML-aware @ Kaigi on Rails 2026, Tokyo, Japan
marcoroth
2
370
JIS keyboard support in Omarchy
lef237
0
170
オーケストレーション記述言語 Katari
yukikurage
0
210
SFCで実現する病院・医療システムの動的組み立て式UI
koukimiura
1
140
Featured
See All Featured
How Software Deployment tools have changed in the past 20 years
geshan
2
35k
How To Speak Unicorn (iThemes Webinar)
marktimemedia
1
610
Product Roadmaps are Hard
iamctodd
55
13k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
203
77k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
37
6.6k
The Power of CSS Pseudo Elements
geoffreycrofte
82
6.6k
Scaling GitHub
holman
464
140k
The untapped power of vector embeddings
frankvandijk
2
2k
Automating Front-end Workflow
addyosmani
1370
210k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
2
660
The #1 spot is gone: here's how to win anyway
tamaranovitovic
4
1.2k
Transcript
4)08300.ͷ%#ෛՙʹର͢Δ Ωϟογϡӡ༻ͷΧΫΧΫγΧδΧ 4)08300.5FDI4UVEJP ࢤਫཧ࠸
ࣗݾհ ࢤਫཧ࠸ ͠Έͣ·͞ ུྺ ֶੜ࣌ιϑτΣΞֶΛઐ߈ %F/"ʹ৽ଔೖࣾɺιʔγϟϧήʔϜΩϡϨʔγϣϯϝσΟΞʹैࣄ 4)08300.ʹग़ ͖ͳݴ༿ ʮδμϯϥϧͷΑ͏ͳඒ͠͞ͳ͍͔Βɺ͕ͨͩΉ͠ΌΒʹؤுΔ͚ͩ͞ʯ
CZ1BWFM/FEWⒿE ʮటषͪ͘ΌͩΊͰ͔͢ʁʯCZ4BSJOB4PEB ʮແྉνΣΩձʯ
࠷ۙͷొஃͷհ 4USFBNJOH$POGFSFODF 4)08300.ͷz࠷ۙͷzෛՙରࡦ IUUQTTQFBLFSEFDLDPNPUUPTIPXSPPNGBMTF[VJKJOGBMTFGVIF EVJDF Φʔτεέʔϧͷؒʹ߹Θͳ͍ಥൃతͳෛՙʹରͯ͋͠Β͔͡ΊαʔόʔΛ૿ͯͪ͠ ߏ͑Δ Ԇ͕ͦ͜·ͰٻΊΒΕͳ͍৴Ͱੵۃతʹ$%/Λར༻
%#ෛՙʹର͢Δ Ωϟογϡӡ༻ͷΧΫΧΫγΧδΧ
ΧΫΧΫγΧδΧͱ ंϝʔΧʔͷ$.ΩϟϥΫλʔ ΞΠυϧͷָۂ Λলུͨ͠ࡍʹ۩ମతͳ༰ͷ༻ͱͯ͠༻͍ΒΕΔදݱ 4)08300.Ͱ%#ͷෛՙΛΧΫΧΫγΧδΧͳΩϟογϡͷ͍ํͰରࡦ ͍ͯ͠·͢ɻ ࠓ۩ମతͳ༰Λհ͠·͢
4)08300.Ͱར༻͍ͯ͠ΔΩϟογϡػߏ NFNDBDIFEαʔόʔ ϑΝΠϧΩϟογϡ ϓϩηεΩϟογϡ શͯͷαʔόʔɺશͯͷϓϩηεͰڞ௨ͷΛࢀরͰ͖Δɻ ωοτϫʔΫ*0͕͋Δɻ ಉ͡αʔόʔͷϓϩηεͰΛڞ༗Ͱ͖Δɻ ωοτϫʔΫ*0ͳ͍͕ɺϑΝΠϧ*0͕͋Δɻ ࠷ɻ ϓϩηε͝ͱʹΩϟογϡ͞ΕΔɻ
֎෦͔Βͷૢ࡞͕ࠔɻ 1 1 1 1 1 1 'JMF$BDIF .FNDBDIFE 1SPDFTT$BDIF
ͷߟ͑ΔΦεεϝͷΩϟογϡػߏ͍͚ ϙΠϯτ ߋ৽සɾλΠϛϯάΛߟྀ͢Δ w ϑΝΠϧΩϟογϡ ϓϩηεΩϟογϡ ͷଟஈΩϟογϡ w ͱʹ͔͘.Z42-αʔόʔʹϦΫΤετΛ ૹΒͤͳ͍
w ߋ৽ͷλΠϛϯάͰదͳέΞΛ w NFNDBDIFE w ϦΫΤετස͕͍ͷΩϟογϡ͠ ͳ͍ w దͳFYQJSF࣌ؒ w ߋ৽ͷλΠϛϯάͰDBDIFͷআPSߋ৽ Ϛελʔσʔλܥ Ϣʔβʔσʔλܥ ଟগͷԆɺζϨ͕ڐ༰͞ΕΔ߹ ԆζϨΛڐ༰ͨ͘͠ͳ͍߹
NFNDBDIFEͷӡ༻ςΫχοΫ
Ωϟογϡ͞ΕͯΕར༻ɺͳ͚Εऔಘͯ͠อଘ ϙΠϯτ ༻్͝ͱʹFYQJSFΛௐ͢Δ ελϯμʔυͳར༻ํ๏ɻ .Z42-ͳͲͷ%#ʹอଘ͞Ε͍ͯΔσʔλͱဃ Ԇ ͕ൃੜ͢Δ͜ͱ͕͋Δɻ Ԇ͕ʹͳΒͳ͍Α͏ʹFYQJSFΛௐ͢Δ my $memd
= Cache::Memcached::Fast->new(); my $value = $memd->get($cache_key); unless (defined($value)) { $value = _get_value(); $memd->set($cache_key, $value, 30); } print $value; ྫ ϥΠϒҰཡͷऔಘͳͲ ऴྃࡁΈͷϥΠϒ͕Ϧετʹؚ·ΕΔ߹͕͋ΔͷͰͦΕϑΟϧλͯ͠ϨεϙϯεΛฦ͢
σʔλ͕ߋ৽͞ΕͨΒΩϟογϡΛআ PSߋ৽ ͍ॴ ΩϟογϡʹΑΔԆΛճආ͍ͨ͠߹ Ϣʔβʔͷૢ࡞͕ଈ࣌ө͞Εͳ͍69ྑ͘ͳ͍ɻ NFNDBDIFE͚ͩͰͷอଘشൃϦεΫ͕͋Δ σʔλͷߋ৽࣌ʹΩϟογϡͷσʔλΛআ͢Δ͜ͱͰ࣍ճͷࢀর͕%#ʹ͘Α͏ʹ͢Δ $teng->update('update table_a set
hoge = 2 where id = 1'); $memd->delete($cache_key); # or $memd->set($cache_key, $new_obj, 30); ྫ ϧʔϜใͷऔಘͳͲ ϧʔϜ໊ͱ͔ߋ৽ͨ͠Βଈ࣌ʹө͞Εͯ΄ ͍͠
ಉ͡σʔλΛෳΩϟογϡͯ͠ෛՙࢄͰ͖ΔΑ͏ʹ͢Δ ͍ॴ ಛఆͷLFZͷΞΫηε͕ूதͯ͠ෛՙࢄͰ͖͍߹ NFNDBDIFEͷϊʔυΛෳ༻ҙͯ͠ಛఆͷLFZʹϦΫΤετ͕ूத͢Δͱҙਤ௨Γʹࢄ ͞Εͳ͍ͷͰ͕ඞཁ my $cache_key = join(':', ('room',
int(rand(3)))); my $value = $memd->get($cache_key); unless (defined($value)) { $value = _get_value(); $memd->set($cache_key, $value, 30); } $teng->update('update table_a set hoge = 2 where id = 1'); for my $i (0..2) { my $cache_key = join(':', ('room', $i)); $memd->delete($cache_key); } ਓؾԋऀʹ ϦΫΤετ͕ภΔ
ෳͷΩϟογϡػߏΛΈ߹Θͤͯར༻ ϙΠϯτ ෳࡶ͞ͱརศੑͷτϨʔυΦϑ 1 1 1 .FNDBDIFE 1SPDFTT$BDIF .Z42- 1
1 1 1 1 1 ϓϩηεΩϟογϡ͚ͩͷ ߹ɺϓϩηεͷ͚ͩ.Z42- ʹϦΫΤετ͕͘Δ NFNDBDIFEෛՙʹΑͬ ͯμϯ͢Δ͜ͱ͕͋Δ ଟஈΩϟογϡͷ֤ͰϦΫ ΤετΛϑΟϧλ͠ɺωοτ ϫʔΫ*0ͳͲܰݮ͢Δ Ωϟογϡ͕ෳͷʹ อଘ͞ΕΔͷͰɺҰ੪ߋ ৽ɺআۃΊͯࠔɻ ΩϟογϡΩʔΛมߋ͠ ࣮࣭ͯϦηοτ͕ݱ࣮త
·ͱΊ
·ͱΊ w 4)08300.Ͱར༻͍ͯ͠ΔΩϟογϡػߏΛ͝հ w NFNDBDIFE w ϑΝΠϧΩϟογϡ w ϓϩηεΩϟογϡ w
͍ํͷྫΛ4)08300.ͷࣄྫΛަ͑ͯհ w ߋ৽࣌ʹΩϟογϡআͰԆΛճආ w ಉ͡σʔλΛෳΩϟογϡͯ͠ෛՙࢄ w ଟஈΩϟογϡͷར༻ 4)08300.ɺϥΠϒετϦʔϛ ϯάʹݶΒͣ൚༻తʹ͑Δٕͩͱ ࢥ͏ͷͰɺ͝ࢀߟʹ͍͖ͯͨͩͭ͠ ͭɺͬͱ͍͍ํ๏͋Εڭ͑ͯ͘ ͍ͩ͞ʂҰॹʹษڧͤͯͩ͘͞͞ ͍ʂʂ
None
ϥΠϒετϦʔϛϯά 4)08300. ͳΒͰͷେม͞ w ͍͖ͳΓਓؾ৴͕͡·Δ w ͍͖ͳΓେ͖ͳऔΓΈ͕ܾ·Δ w ͍͖ͳΓ"1*ϦΫΤετ͕εύΠΫ͢Δ ίϯςϯπʹΑΔӨڹ͕େ͖͍
ߴෛՙͳίϯςϯπͷ߹ɺχϡʔεϝσΟΞ ʹऔΓ্͛ΒΕΔ͜ͱଟʑ͋ΓɺͦΜͳίϯ ςϯπͱ͖߹͑ΔͷΓ͕͍ϙΠϯτɻ ৴։࢝લʹʮαʔόʔམͪΔͷͰʁʯͱ͍ͬ ͨͭͿ͖Λݟ͚ͭΔͱzෛ͚ͣݏ͍zαʔόʔ Λzࢧ͑ͳ͖Όײz͕ൃಈͯ͠ΑΓΔؾͰΔɻ 8&#αʔόʔʹؔͯ͠৴αʔόʔಉ༷ʹ Φʔτεέʔϧ͕ؒʹ߹Θͳ͍ಥൃతͳߴෛՙ ͕ൃੜ͢ΔͷͰɺࣄલ४උɾ৺ߏ͕͑ඞཁ
ऴΘΓ ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ 4)08300.ʑ͍ͯ͠·͢ɻ ͦΜͳαʔϏεͱҰॹʹ͍ͨ͠ෛ͚ͣݏ͍ ͳΤϯδχΞΛืू͍ͯ͠·͢ʂ