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@@ -37,6 +37,10 @@ of the sort specification. Otherwise the sort order for documents that have
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the same sort values would be undefined and could lead to missing or duplicate
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results. The <<mapping-id-field,`_id` field>> has a unique value per document
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but it is not recommended to use it as a tiebreaker directly.
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+Beware that `search_after` looks for the first document which fully or partially
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+matches tiebreaker's provided value. Therefore if a document has a tiebreaker value of
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+`"654323"` and you `search_after` for `"654"` it would still match that document
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+and return results found after it.
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<<doc-values,doc value>> are disabled on this field so sorting on it requires
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to load a lot of data in memory. Instead it is advised to duplicate (client side
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or with a <<ingest-processors,set ingest processor>>) the content
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patrykk21