apiserver/pkg/endpoints/metrics
Andrew Sy Kim 53a2449e3c apiserver: exclude APF queue wait time from SLO latency metrics (#116420)
* apiserver: add latency tracker for priority & fairness queue wait time

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

* apiserver: exclude priority & fairness wait times to SLO/SLI latency metrics

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

* apiserver: update TestLatencyTrackersFrom to check latency from PriorityAndFairnessTracker

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

* flowcontrol: add helper function observeQueueWaitTime to consolidate metric and latency tracker calls

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

* flowcontrol: replace time.Now() / time.Since() with clock.Now() / clock.Since() for better testability

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

* flowcontrol: add unit test TestQueueWaitTimeLatencyTracker to validate queue wait times recorded by latency tracker

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

---------

Signed-off-by: Andrew Sy Kim <andrewsy@google.com>

Kubernetes-commit: ee18f602523e11a80823a659bed8f70f98a12914
2023-03-15 07:35:21 +00:00
..
OWNERS Cleanup OWNERS files (No Activity in the last year) 2021-12-10 15:18:50 -05:00
metrics.go apiserver: exclude APF queue wait time from SLO latency metrics (#116420) 2023-03-15 07:35:21 +00:00
metrics_test.go Fix CONNECT requests from others requests 2022-12-22 11:52:18 +08:00