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Yandex DataLens
    • Overview
      • Overview
      • Tabs
      • Sources
      • Available methods
      • Notifications
      • Chart links in dashboards and reports
      • Cross-filtering
      • Chart debugging
    • Versioning
    • Chart inspector
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  • Audit Trails events

In this article:

  • Source types
  • Limitations
  1. Charts
  2. Charts in Editor
  3. Sources

Data sources

Written by
Yandex Cloud
Updated at April 24, 2025
  • Source types
  • Limitations

Note

This feature is only available with the Business service plan.

Source typesSource types

You can request the data using:

  • Dataset
  • Database connection via an SQL query
  • Connection via API Connector

For more information, see Sources.

LimitationsLimitations

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

  • 100 MB on the total size from all sources per request.
  • 50 MB on the size of data from one source.
  • 95 seconds on the total time of data upload from all sources per request.
  • 95 seconds on the time of loading data from a single data source.
  • 10 seconds on executing the Prepare tab.

These limits are set to ensure stable operation for the service and its sources.

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© 2025 Direct Cursus Technology L.L.C.