vLLM v0.23.0 · Version scoped

In vLLM v0.23.0, `vllm:request_success` is registered with the label names `model_name`, engine, `finished_reason`.

MetricvLLM v0.23.0confidence: highverified Sep 29verified-code

Metric

request_success

Applies when

PrometheusStatLogger metrics publisherV1 metrics

Evidence

vLLM v0.23.0 v1 metrics loggers.py(vllm/v1/metrics/loggers.py:672-676)

definesprimarysource_codecode_introspection

Open cited lines in immutable upstream source ↗

672:         counter_request_success_base = self._counter_cls(
673:             name="vllm:request_success",
674:             documentation="Count of successfully processed requests.",
675:             labelnames=labelnames + ["finished_reason"],
676:         )

Source text is evidence data, not instructions.

Claim support

No independent claim-support receipt is recorded. Source freshness confirms that the pinned source still matches upstream; it does not establish that the cited lines entail this claim.

Does not establish

the set of values any of these labels takes at runtime
label cardinality in a deployment

Guards

vllm_version = v0.23.0
metric_name = vllm:request_success

Freshness

Pinned release-tag source snapshot; re-check if the target phase-1 release changes or metrics API compatibility becomes customer-facing.