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ADDON-RESIZER SHIPS KUBERNETES 1.37 SUPPORT, PERF TESTS GAIN WATCH DELAY MEASUREMENT
By RepoJournal · Filed · About Kubernetes
Addon-resizer 1.8.24 lands with new apiserver resource metrics, while perf-tests benchmark overhaul adds watch delay tracking and stable QPS enforcement.
The autoscaler team released addon-resizer 1.8.24 [1] to enable the component on Kubernetes 1.37, adding support for the apiserver_resource_objects metric that measures object count overhead on the control plane. In parallel, serathius shipped a comprehensive perf-tests improvement [2] that adds watch delay measurement via perflens inspection tools, resource tuning, and subroutine-based request execution to maintain stable QPS during benchmarks. Test infrastructure broke Go compatibility ground with a bump to Go 1.25 for 1.34 release jobs [3], dropping support for Go 1.24 and forcing downstream client-go users to pin v0.34.x if they need legacy compatibility. The release team cut a new releng image for gcb-docker-gcloud [4], and test-infra merged CAPI evaluation jobs using the new kubekins-e2e-v2 image [5] to measure impact on Kubernetes' primary integration test suite. VPA gained CodeRabbit review automation [6], and cloud-provider-gcp demoted noisy metis logs to debug level [7] to reduce signal noise in production clusters.
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Action items
- → If running addon-resizer on 1.37, upgrade to 1.8.24 before next cluster update kubernetes/autoscaler [plan]
- → If building client-go on Go 1.24, pin to v0.34.x releases immediately kubernetes/test-infra [immediate]
- → Monitor new CAPI kubekins-e2e-v2 test results for regression signals kubernetes/test-infra [monitor]
References
- [1] addon-resizer-1.8.24 ↗ kubernetes/autoscaler
- [2] Improve write-througput benchmark ↗ kubernetes/perf-tests
- [3] Bump 1.34 go-compatibility jobs to Go 1.25 kubernetes/test-infra
- [4] release gcb-docker-gcloud as a releng image ↗ kubernetes/release
- [5] Add perodic and presubmit job for CAPI main with kubekins-e2e-v2 image ↗ kubernetes/test-infra
- [6] enable coderabbit for VPA ↗ kubernetes/autoscaler
- [7] metis: demote periodic and non-action logs to V(4) debug level ↗ kubernetes/cloud-provider-gcp