Performance

Wikimedia infrastructure

Data centers

Networking

Global traffic routing

MediaWiki

Multimedia

Data Engineering

Search

Data Persistence

Infra Foundations

Observability

Performance Team

• AS Report
• Arc Lamp
• Fresnel
• Metric definitions
• performance.wikimedia.org
• Synthetic testing
• User Journey
• Webperf: navtiming, coal, statsv
• WikimediaDebug
• XHGui

AWS:

• WebPageTest
• WebPageReplay
• Graphite (synthetic instance)

BitBar:

• Mobile Device Lab

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This is the entrypoint for internal workflows and infrastructure documentation as operated by the Performance Team at Wikimedia.

For more information about the team, what we do, and how to reach us, see Wikimedia Performance Team on mediawiki.org.

Infrastructure diagram.

Runbooks

• Arc Lamp service
• Fresnel
• Module source
• Puppet patches
• RUM Alert
• SyntheticToolAlert
• WebPageReplay
• WebPageReplay/Alert
• WebPageTest
• WebPageTest/Alert
• Webperf-processor services
• WikimediaDebug
• XHGui service

Guides

• Create new frontend metrics
• Grafana dashboards
• Measure backend performance
• Measure frontend performance
• Measure performance
• Monitor production errors
• Proxy browsers
• Regressions
• diagrams.net conventions

See also

• Wikimedia Performance Team, on mediawiki.org