Mimir users stuck running two clusters for old data
Migrating Mimir to Kafka ingest storage means running two clusters for a year until old TSDB blocks expire.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 24 July 2026 · last reported 31 July 2026
What's going wrong
Operators upgrading Grafana Mimir to the newer Kafka-based ingest storage design report that the official path requires running a classic cluster and a new cluster side by side.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
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