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2026-07-13 13:17:40 +08:00

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YAML

# An unique identifier for the head node and workers of this cluster.
cluster_name: gpu-docker
# The maximum number of workers nodes to launch in addition to the head
# node.
max_workers: 2
# The autoscaler will scale up the cluster faster with higher upscaling speed.
# E.g., if the task requires adding more nodes then autoscaler will gradually
# scale up the cluster in chunks of upscaling_speed*currently_running_nodes.
# This number should be > 0.
upscaling_speed: 1.0
# This executes all commands on all nodes in the docker container,
# and opens all the necessary ports to support the Ray cluster.
# Empty string means disabled.
docker:
image: "rayproject/ray-ml:latest-gpu"
# image: rayproject/ray:latest-gpu # use this one if you don't need ML dependencies, it's faster to pull
container_name: "ray_nvidia_docker"
# # Example of running a GPU head with CPU workers
# head_image: "rayproject/ray-ml:latest-gpu"
# worker_image: "rayproject/ray-ml:latest"
# If a node is idle for this many minutes, it will be removed.
idle_timeout_minutes: 5
# Cloud-provider specific configuration.
provider:
type: azure
location: westus2
resource_group: ray-cluster
# set subscription id otherwise the default from az cli will be used
# subscription_id: 00000000-0000-0000-0000-000000000000
# set unique subnet mask or a random mask will be used
# subnet_mask: 10.0.0.0/16
# set unique id for resources in this cluster
# if not set a default id will be generated based on the resource group and cluster name
# unique_id: RAY1
# How Ray will authenticate with newly launched nodes.
auth:
ssh_user: ubuntu
# SSH keys will be auto-generated with Ray-specific names if not specified
# Uncomment and specify custom paths if you want to use different existing keys:
# ssh_private_key: /path/to/your/key.pem
# ssh_public_key: /path/to/your/key.pub
# Tell the autoscaler the allowed node types and the resources they provide.
# The key is the name of the node type, which is just for debugging purposes.
# The node config specifies the launch config and physical instance type.
available_node_types:
ray.head.gpu:
# The resources provided by this node type.
resources: {"CPU": 6, "GPU": 1}
# Provider-specific config, e.g. instance type.
node_config:
azure_arm_parameters:
vmSize: Standard_NC6s_v3
# List images https://docs.microsoft.com/en-us/azure/virtual-machines/linux/cli-ps-findimage
imagePublisher: microsoft-dsvm
imageOffer: ubuntu-2204
imageSku: 2204-gen2
imageVersion: latest
ray.worker.gpu:
# The minimum number of nodes of this type to launch.
# This number should be >= 0.
min_workers: 0
# The maximum number of workers nodes of this type to launch.
# This takes precedence over min_workers.
max_workers: 2
# The resources provided by this node type.
resources: {"CPU": 6, "GPU": 1}
# Provider-specific config, e.g. instance type.
node_config:
azure_arm_parameters:
vmSize: Standard_NC6s_v3
# List images https://docs.microsoft.com/en-us/azure/virtual-machines/linux/cli-ps-findimage
imagePublisher: microsoft-dsvm
imageOffer: ubuntu-2204
imageSku: 2204-gen2
imageVersion: latest
# optionally set priority to use Spot instances
priority: Spot
# set a maximum price for spot instances if desired
# billingProfile:
# maxPrice: -1
# Specify the node type of the head node (as configured above).
head_node_type: ray.head.gpu
# Files or directories to copy to the head and worker nodes. The format is a
# dictionary from REMOTE_PATH: LOCAL_PATH, e.g.
file_mounts: {
# "/path1/on/remote/machine": "/path1/on/local/machine",
# "/path2/on/remote/machine": "/path2/on/local/machine",
}
# List of commands that will be run before `setup_commands`. If docker is
# enabled, these commands will run outside the container and before docker
# is setup.
initialization_commands:
# enable docker setup
- sudo usermod -aG docker $USER || true
- sleep 10 # delay to avoid docker permission denied errors
# get rid of annoying Ubuntu message
- touch ~/.sudo_as_admin_successful
# List of shell commands to run to set up nodes.
# NOTE: rayproject/ray-ml:latest has ray latest bundled
setup_commands: []
# - pip install -U "ray[default] @ https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-3.0.0.dev0-cp38-cp38-manylinux2014_x86_64.whl"
# Custom commands that will be run on the head node after common setup.
head_setup_commands:
- pip install -U azure-core==1.35.0 azure-cli-core==2.77.0 azure-identity==1.23.1 azure-mgmt-compute==35.0.0 azure-mgmt-network==29.0.0 azure-mgmt-resource==24.0.0 azure-common==1.1.28 msrest==0.7.1 msrestazure==0.6.4.post1
# Custom commands that will be run on worker nodes after common setup.
worker_setup_commands: []
# Command to start ray on the head node. You don't need to change this.
head_start_ray_commands:
- ray stop
- ulimit -n 65536; ray start --head --port=6379 --object-manager-port=8076 --autoscaling-config=~/ray_bootstrap_config.yaml
# Command to start ray on worker nodes. You don't need to change this.
worker_start_ray_commands:
- ray stop
- ulimit -n 65536; ray start --address=$RAY_HEAD_IP:6379 --object-manager-port=8076