Camunda 7 Optimize Not Showing Data – Causes & Fixes (Production Guide)
Introduction A very common and confusing issue in Camunda 7 setups is: ❌ Camunda Optimize is running, but no data is visible Typical symptoms Optimize UI loads correctly Dashboards show “No data available” Reports remain empty No obvious error in Optimize UI Issue appears mainly after deployment or in production 👉 In most cases, Optimize is healthy , but data is not being imported correctly . This blog explains: How Optimize gets its data Why data does not appear The most common root causes Clear fixes you can apply immediately How Camunda Optimize Works (Quick Architecture) Camunda Optimize does NOT read directly from the Camunda database . 4 Data flow Camunda Engine ↓ ( History API) Optimize Importer ↓ Elasticsearch ↓ Optimize UI 👉 If any step fails , Optimize shows no data . Root Cause #1: History Level Too Low (MOST COMMON) Problem Camunda engine history level is set to: none activity Optimize requires FULL history . How to check In camunda.cfg.xml or applicatio...