Schema.ai· vLLM
vLLM official site ↗vLLM v0.23.0API up

In vLLM v0.23.0, vllm:num_requests_running is a Prometheus gauge for the number of requests in model execution batches.

MetricvLLM v0.23.0confidence: highverified 13 min agoverified-code

Metric

num_requests_running

Applies when

PrometheusStatLogger metrics publisherV1 metrics

Evidence

vLLM v0.23.0 v1 metrics loggers.py(vllm/v1/metrics/loggers.py:451-459)
definesprimarysource_codecode_introspection

Does not establish

  • the metric value for any workload
  • a recommended threshold for running requests
  • metric stability in later vLLM releases

Guards

  • vllm_version = v0.23.0
  • metric_name = vllm:num_requests_running
  • runtime_component = scheduler

Freshness

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