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Kibana Task Manager capacity estimation doesn't not observe the right amount of Kibana nodes anymore #192568

Open mikecote opened 1 week ago

mikecote commented 1 week ago

Yesterday I observed when running a large number of alerting rules that there were logs mentioning Kibana was unhealthy while it wasn't the case. After looking into it, I noticed the health report doesn't observe more than a single Kibana node at any given time. Turns out it's because of the ownerId aggregation on the tasks index, which filters for startedAt to be within a given time range but this field is no longer mapped. We should look into fixing this so we don't continue to generate false reports for customers. https://github.com/elastic/kibana/blob/9accb33d18c4828f6141a4b9299b8ec29f0e28df/x-pack/plugins/task_manager/server/monitoring/workload_statistics.ts#L166-L169

elasticmachine commented 1 week ago

Pinging @elastic/response-ops (Team:ResponseOps)