In modern distributed systems, observability is not a luxury—it’s a necessity . At the center of this landscape stands the Open Telemetry Collector , acting as the critical data pipeline responsible for receiving, processing, and exporting telemetry signals (traces, metrics, logs). However, monitoring the monitor itself presents unique challenges. When your OpenTelemetry Collector becomes a bottleneck or fails silently, your entire observability stack suffers. This comprehensive guide will walk you through production-tested strategies for monitoring your OpenTelemetry Collector’s performance, ensuring your observability infrastructure remains robust and reliable. Why Monitor the Open Telemetry Collector Without active monitoring, the Open Telemetry Collector can silently drop telemetry data, over-consume resources, or fail to export traces and metrics. Its failure undermines visibility into the system it’s meant to observe. Monitoring ...