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fix: gate CPU tickets on sustained 15-min load, not transient spikes #26

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jared merged 1 commits from fix/cpu-sustained-load-gating into main 2026-07-15 17:36:02 -04:00
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jaredandClaude Opus 4.8 48d4474c20 fix: gate CPU tickets on sustained 15-min load, not transient spikes
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_check_cpu_usage took a single 1-second psutil sample per run, so a momentary
spike raised a CPU ticket -- and because the ticket API reopens a closed ticket
on a matching alert, the same CPU ticket flapped open/closed on every hourly run.

Ticketing is now gated on the 15-minute load average normalized per core (a true
"sustained" signal): a transient spike barely moves the 15-min load, so it no
longer raises or reopens a ticket. The instantaneous percentage is still reported
(dry-run summary + description) and the measured sustained load is shown in the
ticket description; the title stays value-free so it doesn't churn each run. Falls
back to the instantaneous sample only if os.getloadavg() is unavailable.
Adds 5 regression tests.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
 2026-07-15 17:32:34 -04:00