Long-running soak harness exercising the in-process GalaxyDriver
against a live mxaccessgw. Subscribes a configurable tag count
(default 50_000), holds the subscription for a configurable duration
(default 24h), polls the EventPump's three counters every minute, and
asserts:
- events.received continues to grow (gw stream isn't stuck)
- events.dropped stays under a configurable percent ceiling
(default 0.5%)
- process working-set doesn't grow >1 GB above baseline (leak guard)
Always skipped unless the operator opts in via OTOPCUA_SOAK_RUN=1.
Tag count, duration, and drop ceiling are env-overridable
(OTOPCUA_SOAK_TAGS / OTOPCUA_SOAK_MINUTES / OTOPCUA_SOAK_DROP_PCT) so
a smoke run can compress the scenario for CI gating.
Per-minute progress is logged as a CSV-style line to stdout so an
operator can grep the test runner output mid-run. PR 6.5 consumes the
data this scenario emits to tune MxGatewayClientOptions defaults.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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