docs: add new configuration option in spanmetricsconnector (open-tele…

…metry#30436) **Description:** Updated the README of spanmetricsconnector mentioning a new configuration option Co-authored-by: Alex Boten <[email protected]>
anthoai97 · Feb 12, 2024 · 3b88782 · 3b88782
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commit 3b88782
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diff --git a/connector/spanmetricsconnector/README.md b/connector/spanmetricsconnector/README.md
@@ -121,6 +121,7 @@ The following settings can be optionally configured:
 - `events`: Use to configure the events metric.
  - `enabled`: (default: `false`): enabling will add the events metric.
  - `dimensions`: (mandatory if `enabled`) the list of the span's event attributes to add as dimensions to the events metric, which will be included _on top of_ the common and configured `dimensions` for span and resource attributes.
+- `resource_metrics_key_attributes`: Filter the resource attributes used to produce the resource metrics key map hash. Use this in case changing resource attributes (e.g. process id) are breaking counter metrics.
 
 ## Examples
 
@@ -157,6 +158,10 @@ connectors:
  dimensions:
  - name: exception.type
  - name: exception.message
+ resource_metrics_key_attributes:
+ - service.name
+ - telemetry.sdk.language
+ - telemetry.sdk.name
 
 service:
  pipelines: