external-mirrors

Interactive SRE review of dotmakeup crawl coverage/freshness and federation read-query reliability using Tempo traces, Mimir metrics, Grafana dashboard definitions, and the production PostgreSQL database. Analyzes crawl errors, crawl duration shape, settings tuning opportunities, tracing coverage gaps across RetrieveTweetsProcessor plus Graphql2025, Sidecar, and Direct strategy spans, and suggests dashboard/query/panel improvements. Uses DB ground-truth data for crawl staleness, error accumulation, strategy policy checks, and shared-budget recommendations for remote user/post lookups.