@noah If this is our shared client, then @mattwire has nailed it.
I monitor the site using Icinga, which makes a call to system.check
every 5 minutes, on both the test and live sites. You can see it's not "every 2 minutes" but "twice every 5 minutes", to the second.
I think this is a reasonable use case, and maybe we should introduce a timer on this check similar to the core "last cron" check.
added suggestion label
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