Wikidata Platform
Future home for technical documentation for the Wikidata Platform team.
Components
Production
- WDQS streaming producer
- WDQS streaming consumer
- WDQS streaming updater/reconciler
- Blazegraph
- Blazegraph extensions
- Query UI
- Airflow DAGs
Experiments, testing, analytics
- Deterministic traffic replayer
- Wikidata Query Service/Migration/Development Infrastructure contains documentation for setting up WDQS on local and eqiad test hosts.
Query data
See Wikidata_Platform/Query_Data for tables you can use to analyze WDQS requests.
Monitoring, SLO
- https://grafana.wikimedia.org/dashboards (main monitoring dashboard)
- SLO dashboard in Grafana
Runbooks
These runbooks are intended for WDP engineers:
- Wikidata updates not propagating to WDQS
- Wikidata Query Service/Runbook/High replication lag and query timeout
SREs also maintain various runbooks for WDQS alerts that might be of interest for WDP engineers as well.
