diff --git a/docs/reference/aggregations/bucket/composite-aggregation.asciidoc b/docs/reference/aggregations/bucket/composite-aggregation.asciidoc index 2f052dcf76a3f..91ec5efb8792d 100644 --- a/docs/reference/aggregations/bucket/composite-aggregation.asciidoc +++ b/docs/reference/aggregations/bucket/composite-aggregation.asciidoc @@ -4,6 +4,10 @@ Composite ++++ +[WARNING] +While this query _can_ be used in Production, it is more expensive than a normal +terms aggregation and should be load tested for a use case before go-live. + A multi-bucket aggregation that creates composite buckets from different sources. Unlike the other `multi-bucket` aggregations, you can use the `composite`