wu-sheng commented on a change in pull request #6243:
URL: https://github.com/apache/skywalking/pull/6243#discussion_r561856410
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File path: docs/en/setup/backend/backend-receivers.md
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@@ -182,7 +182,9 @@ receiver-otel:
enabledHandlers: ${SW_OTEL_RECEIVER_ENABLED_HANDLERS:"oc"}
enabledOcRules: ${SW_OTEL_RECEIVER_ENABLED_OC_RULES:"istio-controlplane"}
```
-
+The receiver will add a labelkey 'node_identifier_host_name' to the collected
data samples，
+the labelvalue is from
opencensus.proto.agent.common.v1.Node.identifier.host_name,
+to support the identification of the source of the metric data.
Review comment:
```suggestion
The receiver adds a label with `key=node_identifier_host_name` to the
collected data samples，
and value from `Node.identifier.host_name` defined in opencensus agent
proto,
to be the identification of the metric data.
```
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