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[9.1] [DOCS] Reformat warning (#130697) #130700

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Jul 7, 2025
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[9.1] [DOCS] Reformat warning (#130697) #130700

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[DOCS] Reformat warning (#130697)
leemthompo Jul 7, 2025
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update
leemthompo Jul 7, 2025
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7 changes: 3 additions & 4 deletions docs/reference/elasticsearch/mapping-reference/mapping-source-field.md
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Expand Up @@ -305,13 +305,12 @@ PUT my-index-000001
}
```

::::{admonition} Think before disabling the _source field
:class: warning
::::{warning}

Users often disable the `_source` field without thinking about the consequences, and then live to regret it. If the `_source` field isn’t available then a number of features are not supported:
Do not disable the `_source` field, unless absolutely necessary. If you disable it, the following critical features will not be supported:

* The [`update`](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-update), [`update_by_query`](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-update-by-query), and [`reindex`](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-reindex) APIs.
* In the {{kib}} [Discover](docs-content://explore-analyze/discover.md) application, field data will not be displayed.
* Display of field data in the {{kib}} [Discover](docs-content://explore-analyze/discover.md) application.
* On the fly [highlighting](/reference/elasticsearch/rest-apis/highlighting.md).
* The ability to reindex from one Elasticsearch index to another, either to change mappings or analysis, or to upgrade an index to a new major version.
* The ability to debug queries or aggregations by viewing the original document used at index time.
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