1.5. Knative Serving metrics

request_concurrency

The number of concurrent requests that are routed to the activator, or average concurrency over a reporting period.

Gauge

configuration_name, container_name, namespace_name, pod_name, revision_name, service_name

Integer (no units)

request_count

The number of requests that are routed to activator. These are requests that have been fulfilled from the activator handler.

Counter

configuration_name, container_name, namespace_name, pod_name, response_code, response_code_class, revision_name, service_name,

Integer (no units)

request_latencies

The response time in milliseconds for a fulfilled, routed request.

Histogram

configuration_name, container_name, namespace_name, pod_name, response_code, response_code_class, revision_name, service_name

Milliseconds

desired_pods

The number of pods the autoscaler tries to allocate for a service.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

excess_burst_capacity

The excess burst capacity served over the stable window.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

stable_request_concurrency

The average number of requests for each observed pod over the stable window.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

panic_request_concurrency

The average number of requests for each observed pod over the panic window.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

target_concurrency_per_pod

The number of concurrent requests that the autoscaler tries to send to each pod.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

stable_requests_per_second

The average number of requests-per-second for each observed pod over the stable window.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

panic_requests_per_second

The average number of requests-per-second for each observed pod over the panic window.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

target_requests_per_second

The number of requests-per-second that the autoscaler targets for each pod.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

panic_mode

This value is 1 if the autoscaler is in panic mode, or 0 if the autoscaler is not in panic mode.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

requested_pods

The number of pods that the autoscaler has requested from the Kubernetes cluster.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

actual_pods

The number of pods that are allocated and currently have a ready state.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

not_ready_pods

The number of pods that have a not ready state.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

pending_pods

The number of pods that are currently pending.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

terminating_pods

The number of pods that are currently terminating.

Gauge

configuration_name, namespace_name, revision_name, service_name

Integer (no units)

go_alloc

The number of bytes of allocated heap objects. This metric is the same as heap_alloc.

Gauge

name

Integer (no units)

go_total_alloc

The cumulative bytes allocated for heap objects.

Gauge

name

Integer (no units)

go_sys

The total bytes of memory obtained from the operating system.

Gauge

name

Integer (no units)

go_lookups

The number of pointer lookups performed by the runtime.

Gauge

name

Integer (no units)

go_mallocs

The cumulative count of heap objects allocated.

Gauge

name

Integer (no units)

go_frees

The cumulative count of heap objects that have been freed.

Gauge

name

Integer (no units)

go_heap_alloc

The number of bytes of allocated heap objects.

Gauge

name

Integer (no units)

go_heap_sys

The number of bytes of heap memory obtained from the operating system.

Gauge

name

Integer (no units)

go_heap_idle

The number of bytes in idle, unused spans.

Gauge

name

Integer (no units)

go_heap_in_use

The number of bytes in spans that are currently in use.

Gauge

name

Integer (no units)

go_heap_released

The number of bytes of physical memory returned to the operating system.

Gauge

name

Integer (no units)

go_heap_objects

The number of allocated heap objects.

Gauge

name

Integer (no units)

go_stack_in_use

The number of bytes in stack spans that are currently in use.

Gauge

name

Integer (no units)

go_stack_sys

The number of bytes of stack memory obtained from the operating system.

Gauge

name

Integer (no units)

go_mspan_in_use

The number of bytes of allocated mspan structures.

Gauge

name

Integer (no units)

go_mspan_sys

The number of bytes of memory obtained from the operating system for mspan structures.

Gauge

name

Integer (no units)

go_mcache_in_use

The number of bytes of allocated mcache structures.

Gauge

name

Integer (no units)

go_mcache_sys

The number of bytes of memory obtained from the operating system for mcache structures.

Gauge

name

Integer (no units)

go_bucket_hash_sys

The number of bytes of memory in profiling bucket hash tables.

Gauge

name

Integer (no units)

go_gc_sys

The number of bytes of memory in garbage collection metadata.

Gauge

name

Integer (no units)

go_other_sys

The number of bytes of memory in miscellaneous, off-heap runtime allocations.

Gauge

name

Integer (no units)

go_next_gc

The target heap size of the next garbage collection cycle.

Gauge

name

Integer (no units)

go_last_gc

The time that the last garbage collection was completed in Epoch or Unix time.

Gauge

name

Nanoseconds

go_total_gc_pause_ns

The cumulative time in garbage collection stop-the-world pauses since the program started.

Gauge

name

Nanoseconds

go_num_gc

The number of completed garbage collection cycles.

Gauge

name

Integer (no units)

go_num_forced_gc

The number of garbage collection cycles that were forced due to an application calling the garbage collection function.

Gauge

name

Integer (no units)

go_gc_cpu_fraction

The fraction of the available CPU time of the program that has been used by the garbage collector since the program started.

Gauge

name

Integer (no units)