SRE/Observability/Documentation

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Wikimedia infrastructure

Data centers

Networking

Global traffic routing

MediaWiki

Multimedia

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Data Persistence

Infra Foundations

Observability

• Logs
• MediaWiki UDP logging
• Logstash (backend)
• OpenSearch Dashboards (frontend)
• Prometheus
• Thanos
• Statsd
• Graphite
• Grafana
• Alertmanager
• Klaxon
• Wikimediastatus.net

Performance Team

[]

SRE Observability documentation

SRE Observability

Alertmanager

Graphite

Logstash

OpenSearch Dashboards

Prometheus

Thanos

The starting point for observability resources at Wikimedia SRE.

Alerts

• icinga.w.o/alerts: view of legacy alerting. See also Icinga.
• alerts.w.o: view all active alerts. See also Alertmanager,
• Alerting infrastructure roadmap PDF

Logs

• Logstash: central logging platform. See also Logstash.
• Logging infrastructure design document PDF

Metrics

• grafana.w.o: central observability platform. See also Grafana.
• Prometheus, recommended and supported metrics toolkit
• Graphite, supported but deprecated time series framework
• Statsd, supported but deprecated metrics aggregation
• Observability/Dashboard_guidelines, ideas towards better dashboards