When a Health rule violation is detected (Normal to Warning or Normal to Critical) the status light is updated within 1 minute. But when a health rule violation is ended (Warning to Normal or Critical to Normal) the status light is updated after 3-5 minutes after, even if you do a manual refresh on the page. Status light does not show status based on health rule evaluation time. This is the current behaviour but we have already filed an enhancement request to update status light widget on the basis of last 1 minute data but there is no ETA as of now.
Note- Status light Widget shows the worst health rule violation status in last x minute which you have selected in dashboard time range.
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