performance.wikimedia.org
performance.wikimedia.org.
Service
Currently hosted on graphite1001 (via misc-web-lb).
Code:
- performance/docroot.git
- puppet: performance site role
- puppet: coal module
- wikimedia/arc-lamp (Xenon subscriber using Redis)
Coal
Various graphs are metrics are exposed via coal
. Including front-end timings (domComplete, firstPaint etc) and backend performance (saveTiming).
Xenon
HHVM's xenon profiler is used to collect stack traces from CPU usage frames. Logs are aggregated on fluorine.
Logs are used to generate interactive SVG flame graphs of the stack traces.
Graphite
Graphite dashboard for Navigation Timing data.