ometheus for production-scale monitoring</a><ol><li role=none aria-label="Workload-level aggregation via recording rules"><a href=#workload-level-aggregation-via-recording-rules>Workload-level aggregation via recording rules</a><li role=none aria-label="Federation using workload-level aggregated metrics"><a href=#federation-using-workload-level-aggregated-metrics>Federation using workload-level aggregated metrics</a><li role=none aria-label="Optimizing metrics collection with recording rules"><a href=#optim