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Merge pull request #106748 from MikeSpreitzer/more-metric-clarity

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Clarify APF metric wrt all three stages of execution
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Kubernetes Prow Robot 2021-12-13 19:52:02 -08:00 committed by GitHub
commit d38105be86
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2 changed files with 18 additions and 18 deletions
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8
staging/src/k8s.io/apiserver/pkg/util/flowcontrol/fairqueuing/queueset/queueset_test.go
View File

@ -351,7 +351,7 @@ func (uss *uniformScenarioState) finalReview() {
}
if uss.evalInqueueMetrics {
e := `
# HELP apiserver_flowcontrol_current_inqueue_requests [ALPHA] Number of requests currently pending in queues of the API Priority and Fairness system
# HELP apiserver_flowcontrol_current_inqueue_requests [ALPHA] Number of requests currently pending in queues of the API Priority and Fairness subsystem
# TYPE apiserver_flowcontrol_current_inqueue_requests gauge
` + uss.expectedInqueue
err := metrics.GatherAndCompare(e, "apiserver_flowcontrol_current_inqueue_requests")
@ -374,7 +374,7 @@ func (uss *uniformScenarioState) finalReview() {
}
if uss.evalExecutingMetrics && len(uss.expectedExecuting) > 0 {
e := `
# HELP apiserver_flowcontrol_current_executing_requests [ALPHA] Number of requests in regular execution phase in the API Priority and Fairness system
# HELP apiserver_flowcontrol_current_executing_requests [ALPHA] Number of requests in initial (for a WATCH) or any (for a non-WATCH) execution stage in the API Priority and Fairness subsystem
# TYPE apiserver_flowcontrol_current_executing_requests gauge
` + uss.expectedExecuting
err := metrics.GatherAndCompare(e, "apiserver_flowcontrol_current_executing_requests")
@ -386,7 +386,7 @@ func (uss *uniformScenarioState) finalReview() {
}
if uss.evalExecutingMetrics && len(uss.expectedConcurrencyInUse) > 0 {
e := `
# HELP apiserver_flowcontrol_request_concurrency_in_use [ALPHA] Concurrency (number of seats) occupided by the currently executing (all phases count) requests in the API Priority and Fairness system
# HELP apiserver_flowcontrol_request_concurrency_in_use [ALPHA] Concurrency (number of seats) occupied by the currently executing (initial stage for a WATCH, any stage otherwise) requests in the API Priority and Fairness subsystem
# TYPE apiserver_flowcontrol_request_concurrency_in_use gauge
` + uss.expectedConcurrencyInUse
err := metrics.GatherAndCompare(e, "apiserver_flowcontrol_request_concurrency_in_use")
@ -398,7 +398,7 @@ func (uss *uniformScenarioState) finalReview() {
}
if uss.evalExecutingMetrics && len(expectedRejects) > 0 {
e := `
# HELP apiserver_flowcontrol_rejected_requests_total [ALPHA] Number of requests rejected by API Priority and Fairness system
# HELP apiserver_flowcontrol_rejected_requests_total [ALPHA] Number of requests rejected by API Priority and Fairness subsystem
# TYPE apiserver_flowcontrol_rejected_requests_total counter
` + expectedRejects
err := metrics.GatherAndCompare(e, "apiserver_flowcontrol_rejected_requests_total")

28
staging/src/k8s.io/apiserver/pkg/util/flowcontrol/metrics/metrics.go
View File

@ -90,7 +90,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "rejected_requests_total",
Help: "Number of requests rejected by API Priority and Fairness system",
Help: "Number of requests rejected by API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel, flowSchema, "reason"},
@ -100,7 +100,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "dispatched_requests_total",
Help: "Number of requests released by API Priority and Fairness system for service",
Help: "Number of requests executed by API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel, flowSchema},
@ -111,7 +111,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "priority_level_seat_count_samples",
Help: "Periodic observations of the number of requests",
Help: "Periodic observations of number of seats occupied for any stage of execution (but only initial stage for WATCHes)",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
ConstLabels: map[string]string{phase: "executing"},
StabilityLevel: compbasemetrics.ALPHA,
@ -120,7 +120,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "priority_level_seat_count_watermarks",
Help: "Watermarks of the number of requests",
Help: "Watermarks of the number of seats occupied for any stage of execution (but only initial stage for WATCHes)",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
ConstLabels: map[string]string{phase: "executing"},
StabilityLevel: compbasemetrics.ALPHA,
@ -133,7 +133,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "priority_level_request_count_samples",
Help: "Periodic observations of the number of requests",
Help: "Periodic observations of the number of requests waiting or in any stage of execution (but only initial stage for WATCHes)",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
StabilityLevel: compbasemetrics.ALPHA,
},
@ -141,7 +141,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "priority_level_request_count_watermarks",
Help: "Watermarks of the number of requests",
Help: "Watermarks of the number of requests waiting or in any stage of execution (but only initial stage for WATCHes)",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
StabilityLevel: compbasemetrics.ALPHA,
},
@ -153,7 +153,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "read_vs_write_request_count_samples",
Help: "Periodic observations of the number of requests",
Help: "Periodic observations of the number of requests waiting or in regular stage of execution",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
StabilityLevel: compbasemetrics.ALPHA,
},
@ -161,7 +161,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "read_vs_write_request_count_watermarks",
Help: "Watermarks of the number of requests",
Help: "Watermarks of the number of requests waiting or in regular stage of execution",
Buckets: []float64{0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1},
StabilityLevel: compbasemetrics.ALPHA,
},
@ -222,7 +222,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "current_inqueue_requests",
Help: "Number of requests currently pending in queues of the API Priority and Fairness system",
Help: "Number of requests currently pending in queues of the API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel, flowSchema},
@ -232,7 +232,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "request_queue_length_after_enqueue",
Help: "Length of queue in the API Priority and Fairness system, as seen by each request after it is enqueued",
Help: "Length of queue in the API Priority and Fairness subsystem, as seen by each request after it is enqueued",
Buckets: queueLengthBuckets,
StabilityLevel: compbasemetrics.ALPHA,
},
@ -243,7 +243,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "request_concurrency_limit",
Help: "Shared concurrency limit in the API Priority and Fairness system",
Help: "Shared concurrency limit in the API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel},
@ -253,7 +253,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "current_executing_requests",
Help: "Number of requests in regular execution phase in the API Priority and Fairness system",
Help: "Number of requests in initial (for a WATCH) or any (for a non-WATCH) execution stage in the API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel, flowSchema},
@ -263,7 +263,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "request_concurrency_in_use",
Help: "Concurrency (number of seats) occupided by the currently executing (all phases count) requests in the API Priority and Fairness system",
Help: "Concurrency (number of seats) occupied by the currently executing (initial stage for a WATCH, any stage otherwise) requests in the API Priority and Fairness subsystem",
StabilityLevel: compbasemetrics.ALPHA,
},
[]string{priorityLevel, flowSchema},
@ -284,7 +284,7 @@ var (
Namespace: namespace,
Subsystem: subsystem,
Name: "request_execution_seconds",
Help: "Duration of regular phase of request execution in the API Priority and Fairness system",
Help: "Duration of initial stage (for a WATCH) or any (for a non-WATCH) stage of request execution in the API Priority and Fairness subsystem",
Buckets: requestDurationSecondsBuckets,
StabilityLevel: compbasemetrics.ALPHA,
},