chore: import upstream snapshot with attribution

release/benchmark-worker-startup/only_head_node_1gpu_64cpu.yaml

@@ -0,0 +1,21 @@
+cloud: {{env["ANYSCALE_CLOUD_NAME"]}}
+
+advanced_instance_config:
+    # Fix the volume size so that IOPS is constant even if the default changes.
+    BlockDeviceMappings:
+        - DeviceName: /dev/sda1
+          Ebs:
+            DeleteOnTermination: true
+            # 150GB is the default in Anyscale.
+            VolumeSize: 150
+
+head_node:
+    instance_type: g5.16xlarge
+    # GPU: 64 is an intentional override (instance has 1 physical GPU);
+    # the benchmark script uses --num_gpus_in_cluster 64 to test
+    # resource scheduling with 64 logical GPU slots.
+    resources:
+        CPU: 64
+        GPU: 64
+
+worker_nodes: []