Add AWS EKS API autoscaling (Prometheus + adapter) - #94
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Erik Weathers (erikdw) wants to merge 14 commits into
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Add AWS EKS API autoscaling (Prometheus + adapter)#94Erik Weathers (erikdw) wants to merge 14 commits into
Erik Weathers (erikdw) wants to merge 14 commits into
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Adds optional Horizontal Pod Autoscaling on GKE using native AutoscalingMetric support. When turned on, the API scales on CPU, event-loop utilization, and mean event-loop delay (same signals we use on AWS ECS), and Prometheus metrics are enabled automatically. Requires GKE 1.35.1+. See https://docs.cloud.google.com/kubernetes-engine/docs/how-to/expose-custom-metrics-autoscaling
…oscaling-api-on-gke
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Sync / retest (2026-08-10)
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Integrate GKE API autoscaling with workload isolation pools so each rendered API pool gets its own AutoscalingMetric and HPA when enabled.
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Better document hard requirement on v2.9.0 for /metrics endpoint
Rebase onto Brian's pool-based GKE autoscaling and ContainerResource CPU targeting. Scrapes all API pools and feeds per-pool HPAs through custom.metrics with the same event-loop targets. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
AutoscalingMetricforcloud=google, add in-chart Prometheus + prometheus-adapter forcloud=aws.0.4) / delay mean seconds (0.05) targets; AWS metric names come from the adapter (event_loop_*).Test plan
./test.sh(unit + render + lint) locallycloud: awsandapi.autoscaling.enabled: true:8001/metrics, custom.metrics has ELU/delay, HPA currents non-zeromainafter the GKE PR mergesMade with Cursor