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Grafana Troubleshooting Toolkit

Grafana Troubleshooting Toolkit

Debug datasource errors, no-data panels, templating, alerting, auth/SSO, and provisioning issues with prompts and Grafana runbooks.

Start troubleshooting Browse Grafana prompts

Top Grafana errors

Start with the most common production issues and troubleshooting paths.

Access denied

Fix 'Access denied' to a Grafana dashboard or folder — check org role, folder/dashboard permissions, team membership, RBAC role…

failed to evaluate rule

Fix 'failed to evaluate rule' in Grafana unified alerting — check datasource UID, query timeouts, NoData/Error handling, expres…

502 Bad Gateway

Fix Grafana datasource proxy 502 Bad Gateway: diagnose unreachable backend, wrong datasource URL, TLS handshake failures, DNS e…

Dashboard cannot be deleted because it was provisioned

Fix 'Dashboard cannot be deleted because it was provisioned' in Grafana — remove the source JSON, set disableDeletion, or unpro…

CloudWatch 'Rate exceeded' — Throttling the Data Source

Fix Grafana CloudWatch 'Rate exceeded' throttling errors — reduce GetMetricData API calls, raise account API limits, tune inter…

context deadline exceeded

Fix Grafana 'context deadline exceeded': diagnose datasource query timeouts, slow backends, short dataproxy/query timeouts, hig…

Someone else has updated this dashboard

Fix 'Someone else has updated this dashboard' save conflicts in Grafana — resolve version mismatches from concurrent edits, pro…

database is locked

Fix Grafana 'database is locked' on SQLite: diagnose write contention, WAL mode, busy_timeout, slow/NFS storage, multiple repli…

Best Grafana prompts

Use these prompts to turn symptoms, logs, and config into a structured troubleshooting plan.

Grafana Ad-hoc Filters Variable

Add an ad-hoc filters template variable so viewers can dynamically filter dashboards by any label without editing queries.

Grafana Alert Silences and Mute Timings

Suppress Grafana alert noise during maintenance and off-hours using silences and mute timings without dropping real incidents.

Grafana Alerting Notification Templates

Author custom Grafana alert notification message templates with Go templating for contact points (Slack, email, PagerDuty).

Grafana Azure Monitor Data Source Design

Design a Grafana Azure Monitor data source covering metrics, Log Analytics (KQL), and Resource Graph queries with least-privilege auth.
All Grafana prompts

Free Grafana tools

Validate, troubleshoot, or analyze your configuration before production changes.

AI Incident Response Assistant

Paste a datasource error or no-data panel, get a triage plan.

Start triage

YAML validator

Validate provisioning YAML and dashboards-as-code before applying.

Open validator

Grafana runbook

Use a repeatable checklist for production troubleshooting.

A checklist for datasource, panel, and alerting problems.

  1. 1 Check datasource health and connectivity
  2. 2 Inspect the query and panel (Explore, query inspector)
  3. 3 Validate alert rules, contact points, and notification policies
  4. 4 Review provisioning paths and the Grafana server log
  5. 5 Confirm auth/permissions and org/folder access
Get the runbook checklist