Kubernetes / API Server¶

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Tags¶

Name	Description	Thresholds
API server status	Shows API server status depending on the number of endpoints exposing metrics	Default: Mode: absolute Level 1: 1 Level 2: 2
API Servers	Shows the number of running API servers depending on the number of endpoints exposing metrics	Default: Mode: absolute Level 1: 1 Level 2: 2
Current Error Rate	Show the current API server error rate: percentage of requests with errors out of the total number of requests	Default: Mode: absolute Level 1: 3
Average API Server Latency	Shows the average duration of request to API server	Default: Mode: absolute Level 1: 0.2
Average Etcd Requests Latency	Shows the average duration of requests to Etcd	Default: Mode: absolute Level 1: 0.2
Current Controller work queue Depth	Show the current depth of controller work queue	Default: Mode: absolute Level 1: 5
API server nodes status	Shows API server nodes status
Request Rate	Shows the number of requests per second by each API server instance

Name	Description	Thresholds	Repeat
Request rate by verbs	Shows the number of requests per second by verb
Request Rate by resource and group	Shows the number of requests per second by resource and its API group in format: API/resource

Name	Description	Thresholds	Repeat
Request duration 0.99 quantile	Shows the request duration 0.99 quantile: 99% of requests has equal or less duration
Request duration by verb 0.99 quantile	Shows the request duration 0.99 quantile by verb: 99% of requests has equal or less duration
Request duration by resource and group 0.99 quantile	Shows the request duration 0.99 quantile by resource type and its API group: 99% of requests . Format: API/resource

Name	Description	Thresholds	Repeat
API Server error percentage	Shows the percentage of requests failed with 5xx error by each API server instance
Error request rate by verb	Show the number of requests per second failed with 5xx or 4xx code grouped by verb
Error request rate by code	Show the number of requests per second failed with 5xx or 4xx code grouped by code

Name	Description	Thresholds	Repeat
Adds to work queue per second	Shows the number of adds to controller work queue per second
Work queue depth	Shows the current depth of controller work queue. It should be near 0
Item processing time 0.99 quantile	Shows 0.99 duration quantile of the item processed from work queue: 99% of items has equal or less processing time
Item queue time 0.99 quantile	Shows 0.99 duration quantile of the item stay work queue: 99% of items has equal or less staying time
Unfinished work time	Show time of unfinished item processing. Large values indicate stuck threads
Longest running processor time	Show longest time of item processing

Name	Description	Thresholds	Repeat
Etcd request rate	Shows the number of requests per second sent to Etcd
Etcd request duration 0.99 quantile	Shows the Etcd request duration 0.99 quantile: 99% of requests has equal or less duration
Request duration 0.99 quantile by operation	Shows the Etcd request duration 0.99 quantile by operation: 99% of requests has equal or less duration
Request duration 0.99 quantile by object type	Shows the Etcd request duration 0.99 quantile by object type: 99% of requests has equal or less duration
Objects stored in etcd	Shows the number of objects stored in Etcd

Name	Description	Thresholds	Repeat
CPU usage	Shows the CPU usage by each API server instance
Goroutines	Shows the number of goroutines by each API server instance
Resident memory	Show the resident memory usage by each API server instance
Allocated memory	Shows the allocated memory by each API server instance
Allocations per second	Shows the memory allocations per second by each instance