clean-up apiserver metrics and use subsystem
this is specifically so that we have more structured information when the metric is parsed and stored as a stable metric. This change does not change the name of the actual metrics. Change-Id: I861482401ad9a0ae12306b93abf91d6f76d7a407 Kubernetes-commit: 178e57c17b66eb572a961690bd10782aeb3c3582
This commit is contained in:
Han Kang
Kubernetes Publisher
parent
b10345148a
commit
d5fac85195
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@ -62,7 +62,8 @@ const (
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var (
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deprecatedRequestGauge = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Name: "apiserver_requested_deprecated_apis",
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Subsystem: APIServerComponent,
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Name: "requested_deprecated_apis",
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Help: "Gauge of deprecated APIs that have been requested, broken out by API group, version, resource, subresource, and removed_release.",
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StabilityLevel: compbasemetrics.STABLE,
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},
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@ -73,7 +74,8 @@ var (
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// the upstream library supports it.
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requestCounter = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_request_total",
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Subsystem: APIServerComponent,
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Name: "request_total",
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Help: "Counter of apiserver requests broken out for each verb, dry run value, group, version, resource, scope, component, and HTTP response code.",
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StabilityLevel: compbasemetrics.STABLE,
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},
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@ -81,7 +83,8 @@ var (
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)
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longRunningRequestsGauge = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Name: "apiserver_longrunning_requests",
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Subsystem: APIServerComponent,
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Name: "longrunning_requests",
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Help: "Gauge of all active long-running apiserver requests broken out by verb, group, version, resource, scope and component. Not all requests are tracked this way.",
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StabilityLevel: compbasemetrics.STABLE,
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},
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@ -89,8 +92,9 @@ var (
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)
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requestLatencies = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_request_duration_seconds",
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Help: "Response latency distribution in seconds for each verb, dry run value, group, version, resource, subresource, scope and component.",
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Subsystem: APIServerComponent,
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Name: "request_duration_seconds",
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Help: "Response latency distribution in seconds for each verb, dry run value, group, version, resource, subresource, scope and component.",
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// This metric is used for verifying api call latencies SLO,
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// as well as tracking regressions in this aspects.
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// Thus we customize buckets significantly, to empower both usecases.
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@ -102,8 +106,9 @@ var (
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)
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requestSloLatencies = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_request_slo_duration_seconds",
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Help: "Response latency distribution (not counting webhook duration) in seconds for each verb, group, version, resource, subresource, scope and component.",
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Subsystem: APIServerComponent,
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Name: "request_slo_duration_seconds",
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Help: "Response latency distribution (not counting webhook duration) in seconds for each verb, group, version, resource, subresource, scope and component.",
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// This metric is supplementary to the requestLatencies metric.
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// It measures request duration excluding webhooks as they are mostly
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// dependant on user configuration.
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@ -128,8 +133,9 @@ var (
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)
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responseSizes = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_response_sizes",
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Help: "Response size distribution in bytes for each group, version, verb, resource, subresource, scope and component.",
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Subsystem: APIServerComponent,
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Name: "response_sizes",
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Help: "Response size distribution in bytes for each group, version, verb, resource, subresource, scope and component.",
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// Use buckets ranging from 1000 bytes (1KB) to 10^9 bytes (1GB).
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Buckets: compbasemetrics.ExponentialBuckets(1000, 10.0, 7),
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StabilityLevel: compbasemetrics.STABLE,
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@ -139,14 +145,16 @@ var (
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// TLSHandshakeErrors is a number of requests dropped with 'TLS handshake error from' error
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TLSHandshakeErrors = compbasemetrics.NewCounter(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_tls_handshake_errors_total",
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Subsystem: APIServerComponent,
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Name: "tls_handshake_errors_total",
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Help: "Number of requests dropped with 'TLS handshake error from' error",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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)
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WatchEvents = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_watch_events_total",
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Subsystem: APIServerComponent,
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Name: "watch_events_total",
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Help: "Number of events sent in watch clients",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -154,7 +162,8 @@ var (
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)
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WatchEventsSizes = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_watch_events_sizes",
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Subsystem: APIServerComponent,
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Name: "watch_events_sizes",
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Help: "Watch event size distribution in bytes",
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Buckets: compbasemetrics.ExponentialBuckets(1024, 2.0, 8), // 1K, 2K, 4K, 8K, ..., 128K.
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StabilityLevel: compbasemetrics.ALPHA,
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@ -165,7 +174,8 @@ var (
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// it reports maximal usage during the last second.
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currentInflightRequests = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Name: "apiserver_current_inflight_requests",
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Subsystem: APIServerComponent,
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Name: "current_inflight_requests",
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Help: "Maximal number of currently used inflight request limit of this apiserver per request kind in last second.",
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StabilityLevel: compbasemetrics.STABLE,
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},
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@ -173,7 +183,8 @@ var (
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)
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currentInqueueRequests = compbasemetrics.NewGaugeVec(
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&compbasemetrics.GaugeOpts{
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Name: "apiserver_current_inqueue_requests",
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Subsystem: APIServerComponent,
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Name: "current_inqueue_requests",
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Help: "Maximal number of queued requests in this apiserver per request kind in last second.",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -182,7 +193,8 @@ var (
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requestTerminationsTotal = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_request_terminations_total",
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Subsystem: APIServerComponent,
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Name: "request_terminations_total",
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Help: "Number of requests which apiserver terminated in self-defense.",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -191,7 +203,8 @@ var (
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apiSelfRequestCounter = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_selfrequest_total",
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Subsystem: APIServerComponent,
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Name: "selfrequest_total",
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Help: "Counter of apiserver self-requests broken out for each verb, API resource and subresource.",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -200,7 +213,8 @@ var (
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requestFilterDuration = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_request_filter_duration_seconds",
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Subsystem: APIServerComponent,
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Name: "request_filter_duration_seconds",
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Help: "Request filter latency distribution in seconds, for each filter type",
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Buckets: []float64{0.0001, 0.0003, 0.001, 0.003, 0.01, 0.03, 0.1, 0.3, 1.0, 5.0},
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StabilityLevel: compbasemetrics.ALPHA,
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@ -211,7 +225,8 @@ var (
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// requestAbortsTotal is a number of aborted requests with http.ErrAbortHandler
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requestAbortsTotal = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_request_aborts_total",
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Subsystem: APIServerComponent,
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Name: "request_aborts_total",
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Help: "Number of requests which apiserver aborted possibly due to a timeout, for each group, version, verb, resource, subresource and scope",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -231,7 +246,8 @@ var (
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// within the wait threshold.
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requestPostTimeoutTotal = compbasemetrics.NewCounterVec(
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&compbasemetrics.CounterOpts{
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Name: "apiserver_request_post_timeout_total",
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Subsystem: APIServerComponent,
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Name: "request_post_timeout_total",
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Help: "Tracks the activity of the request handlers after the associated requests have been timed out by the apiserver",
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StabilityLevel: compbasemetrics.ALPHA,
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},
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@ -240,7 +256,8 @@ var (
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requestTimestampComparisonDuration = compbasemetrics.NewHistogramVec(
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&compbasemetrics.HistogramOpts{
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Name: "apiserver_request_timestamp_comparison_time",
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Subsystem: APIServerComponent,
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Name: "request_timestamp_comparison_time",
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Help: "Time taken for comparison of old vs new objects in UPDATE or PATCH requests",
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Buckets: []float64{0.0001, 0.0003, 0.001, 0.003, 0.01, 0.03, 0.1, 0.3, 1.0, 5.0},
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StabilityLevel: compbasemetrics.ALPHA,
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