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fix(observability): remove outdated info from concept doc (#7289)

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Douglas Reid 2020-05-12 18:13:27 -07:00 committed by GitHub
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content/en/docs/concepts/observability/index.md
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@ -111,13 +111,10 @@ istio_requests_total{
### Control plane metrics
Each Istio component (Pilot, Galley, Mixer) also provides a collection of self-monitoring metrics. These metrics allow monitoring of the behavior
The Istio control plane also provides a collection of self-monitoring metrics. These metrics allow monitoring of the behavior
of Istio itself (as distinct from that of the services within the mesh).
For more information on which metrics are maintained, please refer to the reference documentation for each of the components:
- [Pilot](/docs/reference/commands/pilot-discovery/#metrics)
- [Mixer](/docs/reference/commands/mixs/#metrics)
For more information on which metrics are maintained, please refer to the [reference documentation](/docs/reference/commands/pilot-discovery/#metrics).
## Distributed traces
@ -143,10 +140,10 @@ Example Istio-generated distributed trace for a single request:
Access logs provide a way to monitor and understand behavior from the perspective of an individual workload instance.
Istio can generate access logs for service traffic in a configurable set of formats, providing operators with full control of the how, what, when and where of
logging. Istio exposes a full set of source and destination metadata to the access logging mechanisms, allowing detailed audit of network transactions.
logging. For more information, please refer to [Getting Envoy's Access Logs](/docs/tasks/observability/logs/access-log/).
Example Istio access log (formatted in JSON):
Example Istio access log:
{{< text json >}}
{"level":"info","time":"2019-06-11T20:57:35.424310Z","instance":"accesslog.instance.istio-control","connection_security_policy":"mutual_tls","destinationApp":"productpage","destinationIp":"10.44.2.15","destinationName":"productpage-v1-6db7564db8-pvsnd","destinationNamespace":"default","destinationOwner":"kubernetes://apis/apps/v1/namespaces/default/deployments/productpage-v1","destinationPrincipal":"cluster.local/ns/default/sa/default","destinationServiceHost":"productpage.default.svc.cluster.local","destinationWorkload":"productpage-v1","httpAuthority":"35.202.6.119","latency":"35.076236ms","method":"GET","protocol":"http","receivedBytes":917,"referer":"","reporter":"destination","requestId":"e3f7cffb-5642-434d-ae75-233a05b06158","requestSize":0,"requestedServerName":"outbound_.9080_._.productpage.default.svc.cluster.local","responseCode":200,"responseFlags":"-","responseSize":4183,"responseTimestamp":"2019-06-11T20:57:35.459150Z","sentBytes":4328,"sourceApp":"istio-ingressgateway","sourceIp":"10.44.0.8","sourceName":"ingressgateway-7748774cbf-bvf4j","sourceNamespace":"istio-control","sourceOwner":"kubernetes://apis/apps/v1/namespaces/istio-control/deployments/ingressgateway","sourcePrincipal":"cluster.local/ns/istio-control/sa/default","sourceWorkload":"ingressgateway","url":"/productpage","userAgent":"curl/7.54.0","xForwardedFor":"10.128.0.35"}
{{< text plain >}}
[2019-03-06T09:31:27.360Z] "GET /status/418 HTTP/1.1" 418 - "-" 0 135 5 2 "-" "curl/7.60.0" "d209e46f-9ed5-9b61-bbdd-43e22662702a" "httpbin:8000" "127.0.0.1:80" inbound|8000|http|httpbin.default.svc.cluster.local - 172.30.146.73:80 172.30.146.82:38618 outbound_.8000_._.httpbin.default.svc.cluster.local
{{< /text >}}