Performance

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Data

Metrics

Logs

  • Logstash. Primary log file database. Runtime errors, warnings and notices from MediaWiki, Apache, and other servers and services. Queryable from ElasticSearch through Kibana, and the aggregated log files from the command-line on mwlog1001.

Manual inspection

Backend requests

See X-Wikimedia-Debug for how to turn on request profiling. This will use XHProf to capture a profile and send it to XHGui.

ResourceLoader

See also