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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: default
# 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 object means disabled.
docker: {}
# If a node is idle for this many minutes, it will be removed.
idle_timeout_minutes: 5
# Cloud-provider specific configuration.
provider:
type: azure
# https://azure.microsoft.com/en-us/global-infrastructure/locations
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
# Availability zones for VM placement (comma-separated). Examples:
# availability_zone: "1,2,3" # Use zones 1, 2, and 3
# availability_zone: "1" # Use only zone 1
# availability_zone: "none" # Explicitly disable zones
availability_zone: "auto" # Let Azure automatically pick zones
# 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
# More specific customization to node configurations can be made using the ARM template azure-vm-template.json file
# See documentation here: https://docs.microsoft.com/en-us/azure/templates/microsoft.compute/2019-03-01/virtualmachines
# Changes to the local file will be used during deployment of the head node, however worker nodes deployment occurs
# on the head node, so changes to the template must be included in the wheel file used in setup_commands section below
# 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.default:
resources: {"CPU": 2}
# Provider-specific config, e.g. instance type.
node_config:
azure_arm_parameters:
vmSize: Standard_D2s_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
# Head node: explicitly disable availability zones
availability_zone: "none"
ray.worker.default:
# The minimum number of nodes of this type to launch.
# This number should be >= 0.
min_workers: 0
# The resources provided by this node type.
resources: {"CPU": 2}
# Provider-specific config, e.g. instance type.
node_config:
azure_arm_parameters:
vmSize: Standard_D2s_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
# comment lines below to not use Spot instances
priority: Spot
# set a maximum price for spot instances if desired
# billingProfile:
# maxPrice: -1
# Workers: inherit provider availability_zone setting
# Options: "1,2,3" for specific zones, "none" to disable zones,
# or "auto" to let Azure pick zones automatically
# Specify the node type of the head node (as configured above).
head_node_type: ray.head.default
# 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",
}
# Files or directories to copy from the head node to the worker nodes. The format is a
# list of paths. The same path on the head node will be copied to the worker node.
# This behavior is a subset of the file_mounts behavior. In the vast majority of cases
# you should just use file_mounts. Only use this if you know what you're doing!
cluster_synced_files: []
# Whether changes to directories in file_mounts or cluster_synced_files in the head node
# should sync to the worker node continuously
file_mounts_sync_continuously: False
# Patterns for files to exclude when running rsync up or rsync down
rsync_exclude: []
# Pattern files to use for filtering out files when running rsync up or rsync down. The file is searched for
# in the source directory and recursively through all subdirectories. For example, if .gitignore is provided
# as a value, the behavior will match git's behavior for finding and using .gitignore files.
rsync_filter: []
# 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:
# get rid of annoying Ubuntu message
- touch ~/.sudo_as_admin_successful
# List of shell commands to run to set up nodes.
setup_commands:
# Note: if you're developing Ray, you probably want to create an AMI that
# has your Ray repo pre-cloned. Then, you can replace the pip installs
# below with a git checkout <your_sha> (and possibly a recompile).
# Note: The Ubuntu 22.04 dsvm image has a few venvs already configured but
# they all contain python modules that are not compatible with Ray at the moment.
- (which conda && echo 'eval "$(conda shell.bash hook)"' >> ~/.bashrc) || true
- conda tos accept
- conda create -n ray-env python=3.10 -y
- conda activate ray-env && echo 'conda activate ray-env' >> ~/.bashrc
- which ray || pip install -U "ray[default] @ https://s3-us-west-2.amazonaws.com/ray-wheels/latest/ray-3.0.0.dev0-cp310-cp310-manylinux2014_x86_64.whl"
# Consider uncommenting these if you also want to run apt-get commands during setup
# - sudo pkill -9 apt-get || true
# - sudo pkill -9 dpkg || true
# - sudo dpkg --configure -a
# Custom commands that will be run on the head node after common setup.
head_setup_commands:
- pip install -U azure-core==1.35.0 azure-identity==1.23.1 azure-mgmt-compute==35.0.0 azure-mgmt-network==29.0.0 azure-mgmt-resource==24.0.0 azure-common==1.1.28 msrest==0.7.1 msrestazure==0.6.4.post1
# Custom commands that will be run on worker nodes after common setup.
worker_setup_commands: []
# Command to start ray on the head node. You don't need to change this.
head_start_ray_commands:
- ray stop
- ulimit -n 65536; ray start --head --port=6379 --object-manager-port=8076 --autoscaling-config=~/ray_bootstrap_config.yaml --dashboard-host=0.0.0.0
# Command to start ray on worker nodes. You don't need to change this.
worker_start_ray_commands:
- ray stop
- ulimit -n 65536; ray start --address=$RAY_HEAD_IP:6379 --object-manager-port=8076