rollup-agg-limitations.asciidoc 781 B

12345678910111213141516171819202122232425262728
  1. [role="xpack"]
  2. [[rollup-agg-limitations]]
  3. === {rollup-cap} aggregation limitations
  4. experimental[]
  5. NOTE: For version 8.5 and above we recommend <<downsampling,downsampling>> over
  6. rollups as a way to reduce your storage costs for time series data.
  7. There are some limitations to how fields can be rolled up / aggregated. This page highlights the major limitations so that
  8. you are aware of them.
  9. [discrete]
  10. ==== Limited aggregation components
  11. The Rollup functionality allows fields to be grouped with the following aggregations:
  12. - Date Histogram aggregation
  13. - Histogram aggregation
  14. - Terms aggregation
  15. And the following metrics are allowed to be specified for numeric fields:
  16. - Min aggregation
  17. - Max aggregation
  18. - Sum aggregation
  19. - Average aggregation
  20. - Value Count aggregation