Data Source Overview
Grafana supports many different storage backends for your time series data (Data Source). Each Data Source has a specific Query Editor that is customized for the features and capabilities that the particular Data Source exposes.
The query language and capabilities of each Data Source are obviously very different. You can combine data from multiple Data Sources onto a single Dashboard, but each Panel is tied to a specific Data Source that belongs to a particular Organization.
Supported Data Sources
The following datasources are officially supported:
Grafana can query any Elasticsearch index for annotation events, but at this time, it's not supported for metric queries. Learn more about annotations