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
監視のための統計入門 / Introduction to Statistics for Mon...
Search
takasp
August 17, 2023
Technology
160
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
監視のための統計入門 / Introduction to Statistics for Monitoring
takasp
August 17, 2023
More Decks by takasp
See All by takasp
Google App Engineを始めよう / Getting Started with Google App Engine
takasp
0
79
Git中級者になるためのrebase入門 / Introduction to rebase to become an intermediate Git user
takasp
0
92
GitHubで始めるdotfiles管理 / Getting started with GitHub for dotfiles management
takasp
0
87
第三回 Datadog 共有会 / Datadog Sharing 3rd
takasp
0
130
第二回 Datadog 共有会 / Datadog Sharing 2nd
takasp
0
100
Datadog 共有会 / Datadog Sharing
takasp
1
85
Git ハンズオン Part 1 / Git Handson Part 1
takasp
0
95
Docker ハンズオン 基礎編2 / Docker Handson Basic 2
takasp
1
120
Docker ハンズオン 基礎編1 / Docker Handson Basic 1
takasp
1
210
Other Decks in Technology
See All in Technology
使いこなすために知っておきたい Azure SRE Agent アンチパターン
torumakabe
2
500
Persisting Massive Data with Rails ~Designing for 60 billion rows, and fighting the bottlenecks~ Railsで挑む大量データ永続化 〜600億件を永続化するための設計とボトルネックとの戦い〜
occhi
0
590
DWH の限界突破! AI エージェント向け爆速リアルタイムデータ基盤 ClickHouse
jozono
1
400
[AWS 秋のクラウドオペレーション祭り 2026]AWS DevOps Agentで変わるリリースと運用対応 ~リリース管理機能と Directed actions のご紹介~
furuton
4
1.2k
AIがコードを書く時代に、エンジニアは何で自分の価値を証明するのか / In an era where AI writes code how do engineers prove their value
carta_engineering
3
960
今さら理解するウェブフォントver.2026
takanorip
3
700
hackers_champloo_2026_tidb
makocchi
0
150
宣言型部分更新は何を解決しどこへ向かうのか
shuta13
1
400
M5Stackで作る BLEマウス GPSログの世界
tomokusaba
0
290
スプシの手作業からの解脱 ~更新はClaude Codeに、見せ方と使い方はGASアプリに任せる~
kentarofujii
0
120
分析の民主化を支えるメタデータ整備の実践
kakehashi
PRO
4
1.3k
LocalStack を使ったサーバーレスアプリケーション開発 / Serverless Development with LocalStack
kakakakakku
1
440
Featured
See All Featured
From π to Pie charts
rasagy
1
400
Claude Code どこまでも/ Claude Code Everywhere
nwiizo
68
59k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
50
10k
Avoiding the “Bad Training, Faster” Trap in the Age of AI
tmiket
0
270
Embracing the Ebb and Flow
colly
88
5.2k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.9k
Fashionably flexible responsive web design (full day workshop)
malarkey
409
67k
Optimizing for Happiness
mojombo
378
71k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.4k
The Anti-SEO Checklist Checklist. Pubcon Cyber Week
ryanjones
0
270
Introduction to Domain-Driven Design and Collaborative software design
baasie
1
1k
The AI Search Optimization Roadmap by Aleyda Solis
aleyda
2
6.3k
Transcript
ࢹͷͨΊͷ౷ܭೖ @takasp 20238݄17
ΞδΣϯμ • ਪଌ͢ΔͳɺܭଌͤΑ • ౷ܭೖ • ฏۉɺҠಈฏۉ • தԝ •
पظੑ • ҐɺύʔηϯλΠϧ • ·ͱΊ
ਪଌ͢ΔͳɺܭଌͤΑ
ਪଌ͢ΔͳɺܭଌͤΑ • Rob PikeࢯͷCϓϩάϥϛϯάʹؔ͢Δ֮͑ॻ͖͕ݩωλ • ϧʔϧ1: ϓϩάϥϜ͕Ͳ͜Ͱ࣌ؒΛফඅ͢Δ͜ͱʹͳΔ͔Δ ͜ͱͰ͖ͳ͍ɻϘτϧωοΫڻ͖͘ՕॴͰى͜ΔͷͰ ͋Δɻ͕ͨͬͯ͠ɺͲ͕͜ϘτϧωοΫͳͷ͔Λ͖ͬΓͤ͞ Δ·ͰɺਪଌΛߦͬͨΓɺεϐʔυϋοΫΛͯ͠ͳΒͳ͍ɻ
• ϧʔϧ2: ܭଌ͢͠ɻܭଌ͢Δ·ͰͷͨΊͷௐΛͯ͠ ͳΒͳ͍ɻίʔυͷҰ෦͕ΓΛѹ͠ͳ͍ͷͰ͋Εɺͳ ͓͞ΒͰ͋Δɻ 8JLJQFEJBʮ6/*9ֶʯIUUQTKBXJLJQFEJBPSHXJLJ6/*9&#&"%"
౷ܭೖ
ฏۉʢmean / average) • ू߹ͷΛશͯͯ͠ɺू߹ͷཁૉͰ ׂͬͨͷ • ू߹ͷݸผͷΛ֬ೝ͠ͳͯ͘ͲͷΑ͏ͳ ͷ͔ද͢ͷʹศརͳ avg
= data1 + data2 + . . . + data n n
Ҡಈฏۉʢmoving averageʣ • ҠಈฏۉΛద༻͢Δͱࣝผ͍͢͠ύλʔϯΛ࣋ͭσʔληοτʹͳΔɻ • εύΠΫͷଟ͍άϥϑΛฏԽͰ͖Δɻ • ͨͩ͠ɺॏཁͳσʔλϙΠϯτΛࣦ͏Մೳੑ͕͋Δɻ ౷ܭ8&#ʮ࣌ܥྻσʔλͱҠಈฏۉʯIUUQTCFMMDVSWFKQTUBUJTUJDTDPVSTFIUNM
தԝʢmedianʣ • σʔλΛঢॱʹฒͼସ͑ͨ࣌ͷਅΜதʹҐஔ͢Δ • ฏۉ͕ରΛਖ਼֬ʹද͞ͳ͍ͱ͖ʹ͑Δ • σʔλͷ͕حͷ࣌ɿਅΜதͷ • σʔλͷ͕ۮͷ࣌ɿਅΜதͷ2ͭͷͷฏۉ median(0,
1, 1, 2, 3, 5, 8, 13, 21) = 3 median(0, 1, 1, 2, 3, 5, 8, 13, 21, 34) = 4
पظੑʢseasonalityʣ • σʔλϙΠϯτ͕ύλʔϯΛ܁Γฦ͢͜ͱ %BUBEPH%PDTʮҟৗݕϞχλʔʯIUUQTEPDTEBUBEPHIRDPNKBNPOJUPSTUZQFTBOPNBMZ • ಉ͡ύλʔϯ͕ଓ͘͜ͱ͕Θ͔ΔͱະདྷͷܭըΛཱͯͨΓɺ ༧ଌͨ͠Γ͢Δͷʹ͑Δ • ಥવʹͳͬͨΓɺ2ഒʹͳͬͨΓͨ͠Βௐ͕ࠪඞཁͳ͜ͱ͕Θ͔Δ
Ґʢquantileʣ • σʔληοτͷ͋ΔΛද͢౷ܭతख๏ • දྫ • ୈ2࢛Ґʢதԝɺ50ύʔηϯλΠϧʣ • ύʔηϯλΠϧ
ύʔηϯλΠϧʢpercentileʣ • ύʔηϯςʔδʢ0 - 100ʣͰσʔληοτͷΛ දݱ͢Δ • σʔλΛঢॱʹฒͼସ͑ɺখ͍͞ํ͔Βn%ʹҐஔ͢Δ •
ଟ͘ͷϢʔβʔʹͱͬͯϨΠςϯγ͕Ͳ͏͔ͩͬͨʢେଟ ͷϢʔβʔʹର͢ΔαʔϏε࣭ʣͳͲͷใ͕ಘΒΕΔ • ʢ100 - nʣ%ͷσʔλϙΠϯτΛࣺ͍ͯͯΔͷͰɺ ϨΠςϯγͷ߹࠷େΛݟΔͳͲͷผͷࢹ͕ඞཁ
·ͱΊ
·ͱΊ • ฏۉΑ͘ΘΕΔؔɻ தԝσʔλʹΑͬͯศརɻ • पظੑɺ࣌ܥྻσʔλͷύλʔϯΛݟ͚ͭΔͷʹ ྑ͍ํ๏ɻ •
ύʔηϯλΠϧσʔλͷ͓͓Α͕ͦ Ͳ͏ͳ͍ͬͯΔ͔ཧղ͢Δͷʹศརɻ ͨͩ͠ɺۃͳσʔλΛແࢹ͍ͯ͠Δ͜ͱʹҙɻ
ಛੑΛཧղ͍ͯ͠·͠ΐ͏
ࢀߟจݙ • “UNIXֶ” . Wikipedia . 2023 . https://ja.wikipedia.org/wiki/ UNIX%E5%93%B2%E5%AD%A6
, (ࢀর 2023-08-16) • גࣜձࣾࣾձใαʔϏε . “32-3. ࣌ܥྻσʔλͱҠಈฏۉ” . ౷ܭWEB . 2023 . https://bellcurve.jp/statistics/course/12933.html , (ࢀর 2023-08-16) • Datadog, Inc. . “ҟৗݕϞχλʔ” . Datadog Docs . 2023 . https:// docs.datadoghq.com/ja/monitors/types/anomaly/, (ࢀর 2023-08-16) • Mike Julian . ೖ ࢹʕϞμϯͳϞχλϦϯάͷͨΊͷσβΠϯύλʔϯ . גࣜձࣾΦϥΠϦʔɾδϟύϯ , 2019