pub fn register(manager: &MetricsManager, config: &BatchProcessingConfig)Available on (crate features
worker-pool or worker-batch or worker) and crate feature worker-batch only.Expand description
Register all BatchEngine metrics with the MetricsManager.
Called by BatchEngine::auto_wire. Registers
descriptors for all operational metrics and immediately emits the current
config thresholds as gauges (for Grafana overlay of scaling decision lines).