From 51b7e551630b458fed13339ef4753becb734620e Mon Sep 17 00:00:00 2001 From: Visha Angelova <91186315+vishaangelova@users.noreply.github.com> Date: Mon, 25 Aug 2025 14:35:51 +0200 Subject: [PATCH] [8.19][DOCS] Highlight the subscription requirement for synthetic `_source` (#133444) * Add a note about the subscription requirement for synthetic * Apply suggestions from code review Co-authored-by: Liam Thompson --------- Co-authored-by: Liam Thompson (cherry picked from commit e1c65594a438c867590dd914010dc61026f1f1ba) --- docs/reference/mapping/fields/synthetic-source.asciidoc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/reference/mapping/fields/synthetic-source.asciidoc b/docs/reference/mapping/fields/synthetic-source.asciidoc index 1306872a6308d..ec17f4fbf8dbc 100644 --- a/docs/reference/mapping/fields/synthetic-source.asciidoc +++ b/docs/reference/mapping/fields/synthetic-source.asciidoc @@ -1,10 +1,12 @@ [[synthetic-source]] ==== Synthetic `_source` +NOTE: This feature requires a https://www.elastic.co/subscriptions[subscription]. + Though very handy to have around, the source field takes up a significant amount of space on disk. Instead of storing source documents on disk exactly as you send them, Elasticsearch can reconstruct source content on the fly upon retrieval. -To enable this https://www.elastic.co/subscriptions[subscription] feature, use the value `synthetic` for the index setting `index.mapping.source.mode`: +To enable this feature, use the value `synthetic` for the index setting `index.mapping.source.mode`: [source,console,id=enable-synthetic-source-example] ----