Production Build: 2.0.8-hotfix-payment-1 - #316
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…st rate Payment's request rate in Splunk APM was ~25x the real Charge volume, which made the paymentFailure A/B split look like a ~2% error rate instead of the configured 50%. Two causes: 1. The kubelet probes the gRPC health service on every liveness (10s) and readiness (5s) tick. Auto-instrumentation turned each probe into a SERVER span, adding ~18 phantom requests per minute per pod (~360 per 5 minutes across four payment pods). Add a sampler that drops grpc.health.v1.Health spans and delegates everything else to the default parent-based sampler. 2. charge.js opened its own SpanKind.SERVER span on top of the auto-instrumented gRPC server span, so a single Charge was counted twice. Make it INTERNAL and mirror the attributes it carried onto the entry span so Splunk O11y attribute promotion is unchanged. Requires @opentelemetry/sdk-trace-base as a direct dependency, pinned to the 2.9.0 already resolved for @splunk/otel so no second copy is installed. Claude-Session: https://claude.ai/code/session_019CsicxrWPhBhfFNmhdkTaM
Services: payment Updated: - Source k8s manifests with new image references
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Production Build 2.0.8-hotfix-payment-1
Services: payment
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