[Feature] Don't submit scale requests if the worker group is suspended #2666
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kevin85421
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Jan 10, 2025
Resolves ray-project/kuberay#2666. ray-project/kuberay#2663 adds a new `suspend` field to the KubeRay worker group spec for suspending worker groups. A suspended worker group should be scaled to 0 and never be scaled up until the group is resumed. Since there is no similar functionality in the `available_node_types` definition, the best way to let the autoscaler know a worker group has been suspended is to set its max_workers to 0 as well as its min_workers. This PR makes the KubeRay autoscaling config producer produce a config with both max_workers and min_workers set to 0 if the worker group has been suspended. The autoscaler will periodically take the config and do its work. Signed-off-by: Rueian <[email protected]>
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Description
#2663 adds a new field
suspendfor each worker group. Ray Autoscaler should not submit any scale requests for worker groups which have already been suspended.Use case
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