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kubernetes-apiservers.md

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Metrics collected by kubernetes-apiservers

audit metrics

Name Description 中文描述 备注
event_total Counter of audit events generated and sent to the audit backend
error_total Counter of audit events that failed to be audited properly.Plugin identifies the plugin affected by the error
level_total Counter of policy levels for audit events (1 per request)

endpoints metrics

Name Description 中文描述 备注
apiserver_request_count Counter of apiserver requests broken out for each verb, API resource, client, and HTTP response contentType and code
apiserver_longrunning_gauge Gauge of all active long-running apiserver requests broken out by verb, API resource, and scope. Not all requests are tracked this way
apiserver_request_latencies Response latency distribution in microseconds for each verb, resource and subresource
apiserver_request_latencies_summary Response latency summary in microseconds for each verb, resource and subresource
apiserver_response_sizes Response size distribution in bytes for each verb, resource, subresource and scope (namespace/cluster)
apiserver_dropped_requests Number of requests dropped with 'Try again later' response
apiserver_registered_watchers Number of currently registered watchers for a given resources
apiserver_current_inflight_requests Maximal mumber of currently used inflight request limit of this apiserver per request kind in last second

storage etcd metrics

Name Description 中文描述 备注
etcd_helper_cache_hit_count Counter of etcd helper cache hits
etcd_helper_cache_miss_count Counter of etcd helper cache miss
etcd_helper_cache_entry_count Counter of etcd helper cache entries. This can be different from etcd_helper_cache_miss_count.because two concurrent threads can miss the cache and generate the same entry twice
etcd_request_cache_get_latencies_summary Latency in microseconds of getting an object from etcd cache
etcd_request_cache_add_latencies_summary Latency in microseconds of adding an object to etcd cache
etcd_request_latencies_summary Etcd request latency summary in microseconds for each operation and object type
etcd_object_counts Number of stored objects at the time of last check split by kind

storage value metrics

Name Description 中文描述 备注
transformation_latencies_microseconds Latencies in microseconds of value transformation operations
transformation_failures_total Total number of failed transformation operations
envelope_transformation_cache_misses_total Total number of cache misses while accessing key decryption key(KEK)
data_key_generation_latencies_microseconds Latencies in microseconds of data encryption key(DEK) generation operations
data_key_generation_failures_total Total number of failed data encryption key(DEK) generation operations