Pause and resume KEDA autoscaling on a GPU inference workload using annotations, without deleting the ScaledObject
domain: keda.sh · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Add `autoscaling.keda.sh/paused: "true"` to the ScaledObject's metadata annotations to freeze scaling at the current replica count
Alternatively use `autoscaling.keda.sh/paused-replicas: "<n>"` to scale to a specific replica count and then pause
To only block scale-in or scale-out independently (e.g. during a deploy), use `autoscaling.keda.sh/paused-scale-in` or `-scale-out` instead
Remove the annotation(s) (or set `paused: "false"`) to re-enable autoscaling
Confirm behavior by watching the workload's replica count stay fixed while paused, then resume reacting to trigger metrics after unpausing
Known gotchas
If both `paused` and `paused-replicas` are set simultaneously, KEDA scales to the `paused-replicas` count and then pauses — know which one takes precedence before combining them
Pausing via annotation is preferred over deleting the ScaledObject/HPA because it keeps the target Deployment's instances running under KEDA's management rather than orphaning them
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