Vereda
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    Interface MetricsSink

    Pluggable sink for vereda metrics. Implement this interface to wire vereda into OpenTelemetry, Prometheus, Datadog, or any other metrics backend. The client calls these methods at well-defined lifecycle points; all calls are synchronous and non-blocking.

    interface MetricsSink {
        counter(name: string, value: number, tags?: MetricTags): void;
        histogram(name: string, value: number, tags?: MetricTags): void;
        gauge(name: string, value: number, tags?: MetricTags): void;
    }
    Index
    counter histogram gauge

    • Monotonically increasing counter (e.g. total requests, total retries).

      Parameters

      • name: string
      • value: number
      • Optionaltags: MetricTags

      Returns void

    • Latency distribution (e.g. request duration in ms).

      Parameters

      • name: string
      • value: number
      • Optionaltags: MetricTags

      Returns void

    • Point-in-time gauge (e.g. current in-flight requests, queue depth).

      Parameters

      • name: string
      • value: number
      • Optionaltags: MetricTags

      Returns void

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