# Query to find requests that don't have a matching response

**URL:** https://discuss.elastic.co/t/query-to-find-requests-that-dont-have-a-matching-response/119417
**Category:** Elasticsearch
**Created:** [February 12, 2018, 6:28am UTC](https://discuss.elastic.co/t/query-to-find-requests-that-dont-have-a-matching-response/119417 "2018-02-12T06:28:19Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Mark\_Harwood](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mark_harwood/32/10538_2.png) [@Mark\_Harwood](https://discuss.elastic.co/u/Mark_Harwood)
#### Post date: [February 12, 2018, 9:20am UTC](https://discuss.elastic.co/t/query-to-find-requests-that-dont-have-a-matching-response/119417/2 "2018-02-12T09:20:36Z")

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This question looks like another case of "joining related records based on a high cardinality ID"  
See [How to search relationship between log lines](https://discuss.elastic.co/t/how-to-search-relationship-between-log-lines/119078)

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