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zh-translation:content/zh/docs/ops/telemetry/envoy-stats/index.md (#5347)
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---
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title: Envoy Statistics
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description: Fine-grained control of Envoy statistics.
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title: Envoy 的统计信息
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description: 精细化控制 Envoy 的统计信息。
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weight: 95
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aliases:
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- /help/ops/telemetry/envoy-stats
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---
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The Envoy proxy keeps detailed statistics about network traffic.
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Envoy 代理收集保留了关于网络流量的详细统计信息。
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Envoy's statistics only cover the traffic for a particular Envoy instance. See
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[Observability](/docs/tasks/observability/) for persistent per-service Istio telemetry. The
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statistics the Envoy proxies record can provide more information about specific pod instances.
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Envoy 的统计信息只覆盖了特定 Envoy 实例的流量。参考 [可观测性](/zh/docs/tasks/observability/)
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了解关于服务级别的 Istio 遥测方面的内容。这些由 Envoy 代理产生的统计数据记录能够提供更多关于 pod 实例的具体信息。
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To see the statistics for a pod:
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查看某个 pod 的统计信息:
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{{< text bash >}}
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$ kubectl exec $POD -c istio-proxy -- pilot-agent request GET stats
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{{< /text >}}
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See [the Envoy documentation](https://www.envoyproxy.io/docs/envoy/latest/configuration/upstream/cluster_manager/cluster_stats)
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for an explanation of the data recorded.
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参考 [Envoy 文档](https://www.envoyproxy.io/docs/envoy/latest/configuration/upstream/cluster_manager/cluster_stats)
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了解更多有关于这些记录数据的解释。
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By default, Istio configures Envoy to record minimal statistics. The default collection
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keys are:
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Istio 默认配置下 Envoy 只会记录最小化的统计信息。缺省的关键词集合有:
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- `cluster_manager`
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- `listener_manager`
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- `server`
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- `cluster.xds-grpc`
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To see the Envoy settings for statistics data collection use
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[`istioctl proxy-config bootstrap`](/docs/reference/commands/istioctl/#istioctl-proxy-config-bootstrap) and follow the
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[deep dive into Envoy configuration](/docs/ops/diagnostic-tools/proxy-cmd/#deep-dive-into-envoy-configuration).
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Envoy only collects statistical data on items matching the `inclusion_list` within
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the `stats_matcher` JSON element.
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要查看关于统计数据收集的 Envoy 配置,可以使用
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[`istioctl proxy-config bootstrap`](/zh/docs/reference/commands/istioctl/#istioctl-proxy-config-bootstrap) 命令,还可以参考
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[深入研究 Envoy 配置](/zh/docs/ops/diagnostic-tools/proxy-cmd/#deep-dive-into-envoy-configuration) 更加深入的了解相关的配置。
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需要注意的是, 只有那些 `stats_matcher` JSON 字段能匹配上 `inclusion_list` 的元件,Envoy 才会去收集他们的统计数据。
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To Configure Envoy to record statistics for inbound or outbound traffic, add the
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`sidecar.istio.io/statsInclusionPrefixes` annotation to the pod template in the Kubernetes `Deployment`.
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Add the `cluster.outbound` prefix to gather data about outbound traffic activity and circuit breaking.
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To gather data on inbound traffic, add the `listener` prefix. The sample
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[fortio-deploy.yaml]({{< github_file>}}/samples/httpbin/sample-client/fortio-deploy.yaml)
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shows use of `sidecar.istio.io/statsInclusionPrefixes` with the `cluster.outbound` prefix.
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要想让 Envoy 去收集出站和入站流量的统计信息,只需将 `sidecar.istio.io/statsInclusionPrefixes` 注解加到 Kubernetes `Deployment` 的 pod 模板里去。
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在模板里加上 `cluster.outbound` 前缀就能统计出站流量活动和熔断事件的数据, 相似,如果要收集入站流量的数据,只需加上 `listener` 前缀。
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这个例子 [fortio-deploy.yaml]({{< github_file>}}/samples/httpbin/sample-client/fortio-deploy.yaml) 中用 `cluster.outbound`
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前缀展示了 `sidecar.istio.io/statsInclusionPrefixes` 的用法。
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You can override the Envoy defaults to gather less data than usual. Use
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你可以通过覆盖 Envoy 的默认配置去收集比通常更少的数据。比如可以使用
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`sidecar.istio.io/statsInclusionPrefixes: cluster_manager,listener_manager`
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to collect the least statistics possible.
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去收集尽可能少的统计数据。
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