e43e64c666
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Viktor flagged not wanting to wear the single non-RAID SSD with useless etcd writes if etcd moves there. Investigation found the avoidable load is kyverno reporting: the 2026-06-12 etcd-load-reduction disabled the report *features* but left the reports-controller running (default --enableReporting + --validatingAdmissionPolicyReports=true), so the 2026-06-21 kyverno upgrade left a one-time pile of ~10.5k cluster/namespaced ephemeralreports (~114MB in etcd) that nothing reaps (aggregation off). Listing that range starves etcd's fdatasync enough to flap the apiserver (observed live 2026-06-28). Disable the reports-controller outright (reportsController.enabled=false), completing the 2026-06-12 intent. Reports are not consumed (violations surface via Loki->Slack); admission enforcement (deny-* policies) and Keel mutation are independent of it. The ~10.5k stale reports already in etcd are cleared separately (throttled, out-of-band) since bulk-deleting them is itself etcd-heavy. Refs: code-oflt (etcd IO isolation), code-at4f (etcd starvation alerting). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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