Performance

The below is primarily a high-level overview and entry point for internal documentation and workflows relating to performance at Wikimedia.

For an overview of the different tools the Performance Team uses or recommends for instrumenting, measuring, and displaying data, see Wikimedia Performance Team#Tools on mediawiki.org.

Sub pages

• Add metrics
• Alerts
• Fresnel
• Graphite/Synthetic Instance
• Metrics
• Proxy browsers
• Regressions
• Runbook
• Runbook/Arc Lamp service
• Runbook/Fresnel
• Runbook/Grafana best practices
• Runbook/Kibana monitoring
• Runbook/Measure performance
• Runbook/Module source
• Runbook/Puppet patches
• Runbook/WebPageReplay
• Runbook/WebPageTest
• Runbook/Webperf-processor services
• Runbook/WikimediaDebug
• Runbook/XHGui service
• Runbook/diagrams.net conventions
• Synthetic Measurement Experiment 2019
• Synthetic testing
• Synthetic testing/Mobile phones
• User Journey
• WebPageReplay
• WebPageReplay/Alerts
• WebPageTest
• WebPageTest/Run locally
• WebPageTest/UpdateToLinux
• WebPageTest/WPTBulkTester

Guides

Profile MediaWiki backend requests

See X-Wikimedia-Debug for how to turn on request profiling. This enables MediaWiki's debug profiler to capture a profile and send it to XHGui.

See also

• Wikimedia Performance Team, on mediawiki.org