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Grafana Cloud

Some Queries Failing

Minor Impact Identified Ongoing July 2, 2026

Incident Lifecycle

Identified Identified

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Identified
We are continuing to work on rolling back a PR responsible for this behavior. Once we have more information, we will share it here.

Thank you for your patience.
Jul 2, 2026 at 8:16 PM UTC
Identified
Queries with drop __error__, including log volume histogram queries (the queries that generate the histogram visualization in Grafana), are failing due to a bug with series limit checks.

The Root cause has been identified, and we are working on a fix.
Jul 2, 2026 at 6:10 PM UTC
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