Load Testing & Drupal 8: What You Need to Do to Ensure a Smooth Launch
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Load Testing & Drupal 8 Erik Webb Manager, Cloud Engineering @erikwebb
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Transcript of Load Testing & Drupal 8: What You Need to Do to Ensure a Smooth Launch
Load Testing & Drupal 8Erik WebbManager, Cloud Engineering
@erikwebb
About MeJoined Acquia in 2010Manage Acquia Cloud core platform teamFormer Performance Lead, Professional Services
So What’s New?
Your users don’t know it’s Drupal 8.
Your users don’t know it’s Drupal 8.
Why should your load test?
Performance Terminology
Performance
GETdrupal.org
Scalability
1s ~1s
Scaling
Vertical
Horizontal
Load Testing
10 users
100 users
Stress Testing
??? users
Contention
/latest-news
So you tested your homepage?
Source: https://www.flickr.com/photos/striatic/2135057566/
So you tested your homepage?
Source: https://www.flickr.com/photos/striatic/2135057566/
Testing User PathsUser Checkout User A logs in.User A visits product page X.User A adds product X to their shopping cart.User A visits their shopping cart.User A enters payment information.User A completes transaction.
User Search User B visits the homepage.User B enters “product X” into the search box.User B views search results page.User B clicks on a random search result.
Traffic Breakdown
Traffic Breakdown
Traffic Breakdown
Traffic Breakdown
Backend OperationsDoes saving content affect performance?What affect does a deployment have on live traffic?Do cron jobs affect web traffic?Background content syncExternal web services
New “Side Effects” in Drupal 8Headless DrupalCaching by defaultCache tagsService containers
We don’t know yet.
Source: https://www.flickr.com/photos/27762949@N00/33602814/
Calculating Traffic
Request Fuzzy MathNumber of Threads/WorkersRamp-up PeriodIterations
Expected Max Concurrency = Total RequestsAvg. Response Time × Test Length
Throughput Shaping TimerSimply provide requests per second for each time periodMatches how traffic is usually measured
jmeter-plugins.orgSupported by Blazemeter
Don’t extrapolate results.
150$connections
50$conns 50$conns 50$conns
150$connections
Don’t extrapolate results.
300#connections
100#conns 100#conns 100#conns
300#connections
150$connections
50$conns 50$conns 50$conns
150$connections
Don’t extrapolate results.
300#connections
50#conns 50#conns 50#conns
300#connections
50#conns 50#conns 50#conns
300#connections
100#conns 100#conns 100#conns
300#connections
150$connections
50$conns 50$conns 50$conns
150$connections
Questions?
