OpenTelemetry SDK
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    Variable SEMATTRS_HTTP_SERVER_NAMEConst

    SEMATTRS_HTTP_SERVER_NAME: "http.server_name" = TMP_HTTP_SERVER_NAME

    The primary server name of the matched virtual host. This should be obtained via configuration. If no such configuration can be obtained, this attribute MUST NOT be set ( net.host.name should be used instead).

    Note: http.url is usually not readily available on the server side but would have to be assembled in a cumbersome and sometimes lossy process from other information (see e.g. open-telemetry/opentelemetry-python/pull/148). It is thus preferred to supply the raw data that is available.