The OpenTelemetry Collector may refuse to ingest metrics during a Prometheus scrape if it exceeds its configured memory limits. When the `memory_limiter` processor is enabled, the Collector actively drops data to prevent out\-of\-memory errors, resulting in log messages indicating that data was refused due to high memory usage.
The OpenTelemetry Collector can panic due to a nil pointer dereference in the Prometheus Remote Write exporter. The issue occurs when attribute values are assumed to be strings, but the internal representation is nil or incompatible, leading to a runtime `SIGSEGV` segmentation fault and crashing the collector.
Prometheus is failing to scrape and write Envoy metrics from Istio sidecars due to an unexpected EOF error. This occurs when trying to collect metrics from services that don't have proper protocol selection configured in their Kubernetes Service definition
The **prometheus\-config\-reloader** sidecar (used by the Prometheus