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This documentation is for an older version of Linkerd. In Linkerd 2.12 (current), this document no longer exists.

metrics

Fetch metrics directly from Linkerd proxies.

This command initiates a port-forward to a given pod or set of pods, and queries the /metrics endpoint on the Linkerd proxies.

The RESOURCE argument specifies the target resource to query metrics for: (TYPE/NAME)

Examples: * cronjob/my-cronjob * deploy/my-deploy * ds/my-daemonset * job/my-job * po/mypod1 * rc/my-replication-controller * sts/my-statefulset

Valid resource types include: * cronjobs * daemonsets * deployments * jobs * pods * replicasets * replicationcontrollers * statefulsets

Examples

# Get metrics from pod-foo-bar in the default namespace.
linkerd metrics po/pod-foo-bar

# Get metrics from the web deployment in the emojivoto namespace.
linkerd metrics -n emojivoto deploy/web

# Get metrics from the linkerd-controller pod in the linkerd namespace.
linkerd metrics -n linkerd $(
  kubectl --namespace linkerd get pod \
    --selector linkerd.io/control-plane-component=controller \
    --output name
)

Flags

Flag Usage
--namespace
-n
Namespace of resource