OpenTelemetry Collector 三管道统一转发配置实践

otel-collector.yaml：receivers: otlp: protocols: grpc: endpoint: 0.0.0.0:4317 http: endpoint: 0.0.0.0:4318 processors: batch: {} memory_limiter: check_interval: 1s limit_mib: 512 spike_limit_mib: 256 resource: attributes: - key: service.namespace action: upsert value: app exporters: otlphttp: endpoint: http://otel-backend:4318 prometheus: endpoint: 0.0.0.0:9464 resource_to_telemetry_conversion: enabled: true logging: loglevel: info service: pipelines: traces: receivers: [otlp] processors: [memory_limiter, resource, batch] exporters: [otlphttp, logging] metrics: receivers: [otlp] processors: [memory_limiter, resource, batch] exporters: [prometheus, logging] logs: receivers: [otlp] processors: [memory_limiter, resource, batch] exporters: [otlphttp, logging]