Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Devour The Cloud With Locust Swarms - Hands On ...
Search
stevenjackson
January 09, 2018
Technology
0
84
Devour The Cloud With Locust Swarms - Hands On Load Testing
Given at CodeMash 2.0.1.8
stevenjackson
January 09, 2018
Tweet
Share
More Decks by stevenjackson
See All by stevenjackson
Death By Specification
stevenjackson
1
41
Looking for Failure
stevenjackson
0
140
Better Software Through Shared Understanding
stevenjackson
0
170
Going to Eleven
stevenjackson
0
84
A Locust Storm Is A Good Thing!
stevenjackson
0
140
Lambda Image Resizing
stevenjackson
0
82
Faliing Your Way To Success
stevenjackson
0
93
Death By Specification(cukeup)
stevenjackson
0
150
Failure Lightning Talk
stevenjackson
0
98
Other Decks in Technology
See All in Technology
GitHub Actions侵害 — 相次ぐ事例を振り返り、次なる脅威に備える
flatt_security
2
1.7k
FastMCP OAuth Proxy with Cognito
hironobuiga
3
210
データマネジメント戦略Night - 4社のリアルを語る会
ktatsuya
1
360
イベントで大活躍する電子ペーパー名札を作る(その2) 〜 M5PaperとM5PaperS3 〜 / IoTLT @ JLCPCB オープンハードカンファレンス
you
PRO
0
210
「捨てる」を設計する
kubell_hr
0
370
モジュラモノリス導入から4年間の総括:アーキテクチャと組織の相互作用について / Architecture and Organizational Interaction
nazonohito51
7
4.1k
【社内勉強会】新年度からコーディングエージェントを使いこなす - 構造と制約で引き出すClaude Codeの実践知
nwiizo
25
13k
夢の無限スパゲッティ製造機 #phperkaigi
o0h
PRO
0
380
Sansanの認証基盤を支えるアーキテクチャとその振り返り
sansantech
PRO
1
100
GitHub Copilot CLI で Azure Portal to Bicep
tsubakimoto_s
0
250
PostgreSQL 18のNOT ENFORCEDな制約とDEFERRABLEの関係
yahonda
0
130
Navigation APIと見るSvelteKitのWeb標準志向
yamanoku
2
120
Featured
See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1.1k
Efficient Content Optimization with Google Search Console & Apps Script
katarinadahlin
PRO
1
440
XXLCSS - How to scale CSS and keep your sanity
sugarenia
249
1.3M
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.2k
How to make the Groovebox
asonas
2
2k
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
inesmontani
PRO
0
280
Music & Morning Musume
bryan
47
7.1k
Accessibility Awareness
sabderemane
0
84
Information Architects: The Missing Link in Design Systems
soysaucechin
0
850
Mozcon NYC 2025: Stop Losing SEO Traffic
samtorres
0
190
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
480
The innovator’s Mindset - Leading Through an Era of Exponential Change - McGill University 2025
jdejongh
PRO
1
140
Transcript
Devour the Cloud Do you have an AWS Account?
nick @stevejxsn @nickbarendt # codemash #devour-the-cloud
[email protected]
[email protected]
Nick Barendt
Steve Jackson
None
Setup AMIs http://bit.do/devour-aws
AMIs Saleor Locust ami-da98c7a0 ami-a59bc4df You can also search for
“CM2018”
If you leave early…. Remember to stop/terminate your AWS instances!
Explore Saleor (our system under test today)
What is Load Testing?
It’s often pictured this way...
None
Load Testing simulates the experience of “many” concurrent users What
is Load Testing?
Load Testing is not about optimizing the per user experience
Most test tools are bad at Assets Javascript
None
None
None
Needing load testing is a good problem
It’s not hard…. Resource Planning Performance Regressions Architecture Changes
Ok, so what are we focusing on?
Key Question: How many users can I have on my
site before things break?
Key Question: How many users can I add before performance
becomes unacceptable?
None
None
Close Enough
None
It’s About Tradeoffs
None
Why Locust?
Simple When will this endpoint fall over?
Record/Playback Easy to get Started
Programmatic Simple -> Complex
DSL
Scales Horizontally
Scales Horizontally
None
Simple Web UI
None
User Signup http://bit.do/devour-signup
Buy! http://bit.do/devour-buy
User Funnel
None
None
None
None
100% Returning Users (20%) Find Cart Buy 80% 75%
25% 100% New Users (80%) Visit Cart Buy 97% 50%
Find
25% 100% User Funnel Visit Cart Buy 97% 50% Find
100% Find Cart Buy 80% 75% New 80% Old 20%
Weigh Tasks http://bit.do/devour-funnel
Find a Baseline
None
Identify Bottleneck
None
None
?
None
Saleor Architecture
Eliminate Bottleneck
Database Laziness Index Connection Pooling
Caching
Async
Current Architecture
Architecture with Caching
View Caching http://bit.do/devour-caching
Find new Baseline
Next Steps Choose Your Own Adventure http://bit.do/devour-advanced
Thanks! REMEMBER TO SHUT DOWN YOUR MACHINES! @stevejxsn @nickbarendt