ta</a></li><li role=none><a role=treeitem title="Adapter that exposes Istio metrics for ingestion by a Prometheus harvester." href=/v1.8/zh/docs/reference/config/policy-and-telemetry/adapters/prometheus/>Prometheus</a></li><li role=none><a role=treeitem title="Adapter that implements an Open Policy Agent engine." href=/v1.8/zh/docs/reference/config/policy-and-telemetry/adapters/opa/>OPA</a></li></ul></li><li role=none><a role=treeitem title="通过 Mixer 从 Istio 导出的默认监控指标。" href=/v1.8/