Loki alert state history queries fail on long ranges
Viewing alert rule history with Loki as state backend throws scheduler context canceled and EOF errors on long ranges.
Tier II · Emerging Problems that are still building up.
5 public reports · first reported 31 July 2026 · last reported 2 August 2026
What's going wrong
Grafana users who send alert state history to Loki report that viewing alert rule history over long time ranges produces scheduler "context canceled" and EOF errors in the querier logs.
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 5 reports are about, and how many came each month.
- Related problems.
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