# \_search request peformance with explain option turned on

**URL:** <https://discuss.elastic.co/t/search-request-peformance-with-explain-option-turned-on/356717>\
**Category:** Elasticsearch\
**Created:** [April 3, 2024, 7:56pm UTC](https://discuss.elastic.co/t/search-request-peformance-with-explain-option-turned-on/356717 "2024-04-03T19:56:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![yana2301](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yana2301/32/133248_2.png) [@yana2301](https://discuss.elastic.co/u/yana2301)\
**Post date:** [April 3, 2024, 7:56pm UTC](https://discuss.elastic.co/t/search-request-peformance-with-explain-option-turned-on/356717/1 "2024-04-03T19:56:26Z")

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Hello!

I've got a question on `explain` query param: I'd like to keep track of score calculation history for each request. To do this I plan to set `explain=true` for each search request and log explain section from response.

Would sending `explain` query param with each request imply any additional cost - additional load to the cluster? Higher request latency?

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [April 5, 2024, 12:22pm UTC](https://discuss.elastic.co/t/search-request-peformance-with-explain-option-turned-on/356717/2 "2024-04-05T12:22:21Z")

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> [@yana2301](#):
>
> Would sending `explain` query param with each request imply any additional cost - additional load to the cluster? Higher request latency?

Yes, I would expect it to add additional load and increase latencies. Exactly what impact it would have in your environment and use case you probably need to test yourself.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 3, 2024, 12:22pm UTC](https://discuss.elastic.co/t/search-request-peformance-with-explain-option-turned-on/356717/3 "2024-05-03T12:22:38Z")

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Closed on May 3, 2024, 12:22pm UTC

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