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Evan JarrettandClaude Opus 5
13edb7184d
Neither is a correctness problem; both are round trips on hot paths for timestamps nothing reads at that resolution. UpdateUserLastSeen ran per Jetstream event for cached users, so once per indexed record. DeviceStore.UpdateLastUsed ran per /auth/token call, so once per docker push and pull including each layer's re-auth. Cheap against a local file, a network round trip each against a remote primary, and the second sat on the authentication path. Both are now throttled to once per five minutes per subject. The MAU queries and the admin views work in hours or days, so nothing loses meaning. The throttle state is per-process and lost on restart, costing at most one extra write per subject per boot; only the lease holder runs the consumer, so exactly one process is doing the first of these at a time. UpdateLastUsed stamps the throttle before writing rather than after, so a slow or failing write cannot let every concurrent layer upload through to pile on more of them. Verified by disabling the throttle: 50 back-to-back calls then rewrite the timestamp every time. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>