Merge pull request #26212 from ydFu/update-cluster-administration

Update cluster-administration flow-control.md and system-metrics.md

Author: k8s-ci-robot

content/zh/docs/concepts/cluster-administration/flow-control.md

@@ -938,8 +938,11 @@ You can fetch like this:
 For background information on design details for API priority and fairness, see the
 [enhancement proposal](https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190228-priority-and-fairness.md).
 You can make suggestions and feature requests via
-[SIG API Machinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery).
+[SIG API Machinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery)
+or the feature's [slack channel](http://kubernetes.slack.com/messages/api-priority-and-fairness).
 -->
 有关API优先级和公平性的设计细节的背景信息，
 请参阅[增强建议](https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/20190228-priority-and-fairness.md)。
-你可以通过 [SIG APIMachinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery) 提出建议和特性请求。
+你可以通过 [SIG APIMachinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery)
+或特性的 [Slack 频道](http://kubernetes.slack.com/messages/api-priority-and-fairness)
+提出建议和特性请求。

content/zh/docs/concepts/cluster-administration/system-metrics.md

@@ -303,10 +303,7 @@ endpoint on the scheduler. You must use the `--show-hidden-metrics-for-version=1
 
 <!--
 * Read about the [Prometheus text format](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md#text-based-format) for metrics
-* See the list of [stable Kubernetes metrics](https://github.com/kubernetes/kubernetes/blob/master/test/instrumentation/testdata/stable-metrics-list.yaml)
 * Read about the [Kubernetes deprecation policy](/docs/reference/using-api/deprecation-policy/#deprecating-a-feature-or-behavior)
 -->
 * 阅读有关指标的 [Prometheus 文本格式](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md#text-based-format)
-* 查看 [Kubernetes 稳定指标](https://github.com/kubernetes/kubernetes/blob/master/test/instrumentation/testdata/stable-metrics-list.yaml)
-  的列表
 * 阅读有关 [Kubernetes 弃用策略](/zh/docs/reference/using-api/deprecation-policy/#deprecating-a-feature-or-behavior)