Add cluster setting for filter rewrite optimization in aggregation (o…

…pensearch-project#7033)

* Add cluster setting for filter rewrite optimization in aggregation

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

* Update search-settings.md

Signed-off-by: Melissa Vagi <vagimeli@amazon.com>

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Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>
Signed-off-by: Melissa Vagi <vagimeli@amazon.com>
Co-authored-by: Melissa Vagi <vagimeli@amazon.com>
Signed-off-by: Sagar Upadhyaya <sagar.upadhyaya.121@gmail.com>

_install-and-configure/configuring-opensearch/search-settings.md

@@ -35,6 +35,8 @@ OpenSearch supports the following search settings:
 
 - `search.highlight.term_vector_multi_value` (Static, Boolean): Specifies to highlight snippets across values of a multi-valued field. Default is `true`.
 
+- `search.max_aggregation_rewrite_filters` (Dynamic, integer): Determines the maximum number of rewrite filters allowed during aggregation. Set this value to `0` to disable the filter rewrite optimization for aggregations.
+
 ## Point in Time settings
 
 For information about PIT settings, see [PIT settings]({{site.url}}{{site.baseurl}}/search-plugins/point-in-time-api/#pit-settings).