Data sources in DataLens On-premises Editor

Source typesSource types

You can get data from any of the following sources:

• Dataset
• Connection to databases via an SQL query
• Connection via API Connector

Learn more about the Sources tab.

Editor supports multiple data sources.

LimitsLimits

There are limits on the size and time of data loading:

• 100 MB: Maximum total size of data from all sources per request.
• 50 MB: Maximum data size per individual source.
• 95 seconds: Timeout for loading data from all sources per request.
• 95 seconds: Timeout for loading data from a single source.
• 10 seconds: Maximum execution time for the Prepare tab.

These limits ensure stable operation of the service and data sources.