metrics

package
v0.26.12 Latest Latest
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Published: Dec 20, 2023 License: Apache-2.0 Imports: 3 Imported by: 3

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Index

Constants

This section is empty.

Variables

View Source
var (
	InitCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Name:           "init_events_total",
			Help:           "Counter of init events processed in watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	EventsCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "events_dispatched_total",
			Help:           "Counter of events dispatched in watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	TerminatedWatchersCounter = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Name:           "terminated_watchers_total",
			Help:           "Counter of watchers closed due to unresponsiveness broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	WatchCacheCapacity = compbasemetrics.NewGaugeVec(
		&compbasemetrics.GaugeOpts{
			Subsystem:      subsystem,
			Name:           "capacity",
			Help:           "Total capacity of watch cache broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)

	WatchCacheInitializations = compbasemetrics.NewCounterVec(
		&compbasemetrics.CounterOpts{
			Namespace:      namespace,
			Subsystem:      subsystem,
			Name:           "initializations_total",
			Help:           "Counter of watch cache initializations broken by resource type.",
			StabilityLevel: compbasemetrics.ALPHA,
		},
		[]string{"resource"},
	)
)

* By default, all the following metrics are defined as falling under * ALPHA stability level https://github.com/kubernetes/enhancements/blob/master/keps/sig-instrumentation/1209-metrics-stability/kubernetes-control-plane-metrics-stability.md#stability-classes) * * Promoting the stability level of the metric is a responsibility of the component owner, since it * involves explicitly acknowledging support for the metric across multiple releases, in accordance with * the metric stability policy.

Functions

func RecordListCacheMetrics

func RecordListCacheMetrics(resourcePrefix, indexName string, numFetched, numReturned int)

RecordListCacheMetrics notes various metrics of the cost to serve a LIST request

func RecordsWatchCacheCapacityChange added in v0.25.0

func RecordsWatchCacheCapacityChange(objType string, old, new int)

RecordsWatchCacheCapacityChange record watchCache capacity resize(increase or decrease) operations.

func Register

func Register()

Register all metrics.

Types

This section is empty.

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