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Update documented metrics for v1.30
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mengjiao-liu committed Jul 29, 2024
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## Metrics (v1.30)

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This page details the metrics that different Kubernetes components export. You can query the metrics endpoint for these
components using an HTTP scrape, and fetch the current metrics data in Prometheus format.
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<li data-type="gauge"><label class="metric_detail">Type:</label> <span class="metric_type">Gauge</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">component</span><span class="metric_label">group</span><span class="metric_label">resource</span><span class="metric_label">scope</span><span class="metric_label">subresource</span><span class="metric_label">verb</span><span class="metric_label">version</span></li></ul>
</div><div class="metric" data-stability="stable">
<div class="metric_name">apiserver_request_duration_seconds</div>
<div class="metric_help">Response latency distribution in seconds for each verb, dry run value, group, version, resource, subresource, scope and component.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">STABLE</span></li>
<li data-type="histogram"><label class="metric_detail">Type:</label> <span class="metric_type">Histogram</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">component</span><span class="metric_label">dry_run</span><span class="metric_label">group</span><span class="metric_label">resource</span><span class="metric_label">scope</span><span class="metric_label">subresource</span><span class="metric_label">verb</span><span class="metric_label">version</span></li></ul>
</div><div class="metric" data-stability="stable">
<div class="metric_name">apiserver_request_total</div>
<div class="metric_help">Counter of apiserver requests broken out for each verb, dry run value, group, version, resource, scope, component, and HTTP response code.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">STABLE</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">code</span><span class="metric_label">component</span><span class="metric_label">dry_run</span><span class="metric_label">group</span><span class="metric_label">resource</span><span class="metric_label">scope</span><span class="metric_label">subresource</span><span class="metric_label">verb</span><span class="metric_label">version</span></li></ul>
</div><div class="metric" data-stability="stable">
<div class="metric_name">apiserver_requested_deprecated_apis</div>
<div class="metric_help">Gauge of deprecated APIs that have been requested, broken out by API group, version, resource, subresource, and removed_release.</div>
<ul>
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<li data-type="histogram"><label class="metric_detail">Type:</label> <span class="metric_type">Histogram</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">jwt_issuer_hash</span><span class="metric_label">result</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_authorization_config_controller_automatic_reload_last_timestamp_seconds</div>
<div class="metric_help">Timestamp of the last automatic reload of authorization configuration split by status and apiserver identity.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="gauge"><label class="metric_detail">Type:</label> <span class="metric_type">Gauge</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span><span class="metric_label">status</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_authorization_config_controller_automatic_reloads_total</div>
<div class="metric_help">Total number of automatic reloads of authorization configuration split by status and apiserver identity.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span><span class="metric_label">status</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_authorization_decisions_total</div>
<div class="metric_help">Total number of terminal decisions made by an authorizer split by authorizer type, name, and decision.</div>
<ul>
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<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span></li><li class="metric_deprecated_version"><label class="metric_detail">Deprecated Versions:</label><span>1.30.0</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_encryption_config_controller_automatic_reload_last_timestamp_seconds</div>
<div class="metric_help">Timestamp of the last successful or failed automatic reload of encryption configuration split by apiserver identity.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="gauge"><label class="metric_detail">Type:</label> <span class="metric_type">Gauge</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span><span class="metric_label">status</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_encryption_config_controller_automatic_reload_success_total</div>
<div class="metric_help">Total number of successful automatic reloads of encryption configuration split by apiserver identity.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span></li><li class="metric_deprecated_version"><label class="metric_detail">Deprecated Versions:</label><span>1.30.0</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_encryption_config_controller_automatic_reloads_total</div>
<div class="metric_help">Total number of reload successes and failures of encryption configuration split by apiserver identity.</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">apiserver_id_hash</span><span class="metric_label">status</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_envelope_encryption_dek_cache_fill_percent</div>
<div class="metric_help">Percent of the cache slots currently occupied by cached DEKs.</div>
<ul>
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<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">type</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_nodeport_repair_reconcile_errors_total</div>
<div class="metric_help">Number of reconciliation failures on the nodeport repair reconcile loop</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
</ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">apiserver_request_aborts_total</div>
<div class="metric_help">Number of requests which apiserver aborted possibly due to a timeout, for each group, version, verb, resource, subresource and scope</div>
<ul>
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<li data-type="gauge"><label class="metric_detail">Type:</label> <span class="metric_type">Gauge</span></li>
</ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">kube_apiserver_nodeport_allocator_allocation_errors_total</div>
<div class="metric_help">Number of errors trying to allocate NodePort</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">scope</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">kube_apiserver_nodeport_allocator_allocation_total</div>
<div class="metric_help">Number of NodePort allocations</div>
<ul>
<li><label class="metric_detail">Stability Level:</label><span class="metric_stability_level">ALPHA</span></li>
<li data-type="counter"><label class="metric_detail">Type:</label> <span class="metric_type">Counter</span></li>
<li class="metric_labels_varying"><label class="metric_detail">Labels:</label><span class="metric_label">scope</span></li></ul>
</div><div class="metric" data-stability="alpha">
<div class="metric_name">kube_apiserver_nodeport_allocator_available_ports</div>
<div class="metric_help">Gauge measuring the number of available NodePorts for Services</div>
<ul>
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