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This is the application name which you pass. Should be possible to customise it by passing a service OTEL_RESOURCE_ATTRIBUTES=service.name=<app_name> attribute

@Pranay if the reporting is coming from istio, i should be able to override using:

spec:
  meshConfig:
    enableTracing: true
    defaultConfig:
      tracing:
        custom_tags:
          service:
            name: <new name>