I need to get a report of search windows used in historical search activity. For example, we need to determine how far back are users typically searching against (last 24 hours, last 7 days, more than 90 days ago, etc). I'm familiar with the DMC dashboards, which don't provide the search window of the searches it reports on, and familiar with the logs in the _audit index which might be my best bet.
Is there documentation explaining what the different time fields are in index=_audit action=search ? Or is there another way to get a report of how often each search window/time frame is used over a given period?
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