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* Return valid metadata even if data is empty * Make sure fields is not accessed when there is no data * Meta Info should depend only on meta data * Refactor condition for better reading * Change data to empty array for better condition handling * Remove unecessary checks * Add test for showing metaData even when data is empty
The open-source platform for monitoring and observability.
Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data driven culture:
- Visualize: Fast and flexible client side graphs with a multitude of options. Panel plugins for many different way to visualize metrics and logs.
- Dynamic Dashboards: Create dynamic & reusable dashboards with template variables that appear as dropdowns at the top of the dashboard.
- Explore Metrics: Explore your data through ad-hoc queries and dynamic drilldown. Split view and compare different time ranges, queries and data sources side by side.
- Explore Logs: Experience the magic of switching from metrics to logs with preserved label filters. Quickly search through all your logs or streaming them live.
- Alerting: Visually define alert rules for your most important metrics. Grafana will continuously evaluate and send notifications to systems like Slack, PagerDuty, VictorOps, OpsGenie.
- Mixed Data Sources: Mix different data sources in the same graph! You can specify a data source on a per-query basis. This works for even custom datasources.
Get started
Unsure if Grafana is for you? Watch Grafana in action on play.grafana.org!
Documentation
The Grafana documentation is available at grafana.com/docs.
Contributing
If you're interested in contributing to the Grafana project:
- Start by reading the Contributing guide.
- Learn how to set up your local environment, in our Developer guide.
- Explore our beginner-friendly issues.
Get involved
- Follow @grafana on Twitter
- Read and subscribe to the Grafana blog
- If you have a specific question, check out our discussion forums.
- For general discussions, join us on the official Slack team.
License
Grafana is distributed under the Apache 2.0 License.