Implement grpc.lb.backend_service optional label #11990
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This completes gRFC A89. 7162d2d and fc86084 had already implemented the LB plumbing for the optional label on RPC metrics. This observes the value in OpenTelemetry and adds it to WRR metrics as well. https://github.com/grpc/proposal/blob/master/A89-backend-service-metric-label.md
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@AgraVator, can you take a look? |
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This completes gRFC A89. 7162d2d and fc86084 had already implemented the LB plumbing for the optional label on RPC metrics. This observes the value in OpenTelemetry and adds it to WRR metrics as well.
https://github.com/grpc/proposal/blob/master/A89-backend-service-metric-label.md