One-page reference for running an OTT platform live: the four golden signals translated to streaming (startup-time p99, concurrent viewers, playback-failure rate, origin/transcoder saturation), the rule that a dashboard informs while an alert interrupts, symptom-not-cause and percentile-not-average alerting, the SLO -> error-budget -> burn-rate decision (page at ~14.4x 1h, ticket at ~6x 6h, review at ~1x 3d), the availability-tier downtime table, and the on-call/severity/postmortem model.
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