https://www.elastic.co/docs/reference/elasticsearch/clients/javascript/update_by_query_examples
Update By Query | JavaScript
The simplest usage of _update_by_query just performs an update on every document in the index without changing the source. This is useful to pick up a...
update by queryjavascript
https://www.elastic.co/docs/api/doc/elasticsearch/v8/operation/operation-update-by-query-rethrottle
Throttle an update by query operation | Elasticsearch API documentation (v8)
Change the number of requests per second for a particular update by query operation. Rethrottling that speeds up the query takes effect immediately but...
update by queryelasticsearch apithrottleoperationdocumentation