# Drop old values from group by in metric threshold rule

**URL:** <https://discuss.elastic.co/t/drop-old-values-from-group-by-in-metric-threshold-rule/335456>\
**Category:** Kibana\
**Tags:** elastic-stack-alerting\
**Created:** [June 7, 2023, 5:58pm UTC](https://discuss.elastic.co/t/drop-old-values-from-group-by-in-metric-threshold-rule/335456 "2023-06-07T17:58:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mgordon](https://avatars.discourse-cdn.com/v4/letter/m/ec9cab/32.png) [@mgordon](https://discuss.elastic.co/u/mgordon)\
**Post date:** [June 7, 2023, 5:58pm UTC](https://discuss.elastic.co/t/drop-old-values-from-group-by-in-metric-threshold-rule/335456/1 "2023-06-07T17:58:08Z")

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I have a metric threshold rule that's grouped by two values (server and app pool name). When I permanently remove an app pool from a server, how do I 'refresh' the values so that one stops alerting that it's missing?

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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:** [July 5, 2023, 5:58pm UTC](https://discuss.elastic.co/t/drop-old-values-from-group-by-in-metric-threshold-rule/335456/2 "2023-07-05T17:58:41Z")

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