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Adding max_analyzer_offset setting on highlight (#4501) 

Signed-off-by: Alexsandro Specht <alexsandrospecht@gmail.com>
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Alexsandro Luiz Specht 2023-07-06 11:53:54 -03:00 committed by GitHub
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_search-plugins/searching-data/highlight.md
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@ -197,6 +197,7 @@ highlight_query | Specifies that matches for a query other than the search query
matched_fields | Combines matches from different fields to highlight one field. The most common use case for this functionality is highlighting text that is analyzed in different ways and kept in multi-fields. All fields in the `matched_fields` list must have the `term_vector` field set to `with_positions_offsets`. The field in which the matches are combined is the only loaded field, so it is beneficial to set its `store` option to `yes`. Valid only for the `fvh` highlighter. matched_fields | Combines matches from different fields to highlight one field. The most common use case for this functionality is highlighting text that is analyzed in different ways and kept in multi-fields. All fields in the `matched_fields` list must have the `term_vector` field set to `with_positions_offsets`. The field in which the matches are combined is the only loaded field, so it is beneficial to set its `store` option to `yes`. Valid only for the `fvh` highlighter.
no_match_size | Specifies the number of characters, starting from the beginning of the field, to return if there are no matching fragments to highlight. Default is 0. no_match_size | Specifies the number of characters, starting from the beginning of the field, to return if there are no matching fragments to highlight. Default is 0.
phrase_limit | The number of matching phrases in a document that are considered. Limits the number of phrases to analyze by the `fvh` highlighter to avoid consuming a lot of memory. If `matched_fields` are used, `phrase_limit` specifies the number of phrases for each matched field. A higher `phrase_limit` leads to increased query time and more memory consumption. Valid only for the `fvh` highlighter. Default is 256. phrase_limit | The number of matching phrases in a document that are considered. Limits the number of phrases to analyze by the `fvh` highlighter to avoid consuming a lot of memory. If `matched_fields` are used, `phrase_limit` specifies the number of phrases for each matched field. A higher `phrase_limit` leads to increased query time and more memory consumption. Valid only for the `fvh` highlighter. Default is 256.
max_analyzer_offset | Specifies the maximum number of characters to be analyzed by a highlight request. The remaining text will not be processed. If the text to be highlighted exceeds this offset, then an empty highlight is returned. The maximum number of characters that will be analyzed for a highlight request is defined by `index.highlight.max_analyzed_offset`. When this limit is reached, an error is returned. Set the `max_analyzer_offset` to a lower value than `index.highlight.max_analyzed_offset` to avoid the error.
The unified highlighter's sentence scanner splits sentences larger than `fragment_size` at the first word boundary after `fragment_size` is reached. To return whole sentences without splitting them, set `fragment_size` to 0. The unified highlighter's sentence scanner splits sentences larger than `fragment_size` at the first word boundary after `fragment_size` is reached. To return whole sentences without splitting them, set `fragment_size` to 0.
{: .note} {: .note}