OpenTelemetry SDK
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    Variable METRIC_KESTREL_UPGRADED_CONNECTIONSConst

    METRIC_KESTREL_UPGRADED_CONNECTIONS: "kestrel.upgraded_connections" = ...

    Number of connections that are currently upgraded (WebSockets). .

    The counter only tracks HTTP/1.1 connections.

    Meter name: Microsoft.AspNetCore.Server.Kestrel; Added in: ASP.NET Core 8.0