Fix cluster yaml for serve benchmarks (#11383)

- Separate out single node and multiple node yamls
- Remove cluster_synced_files, somehow it breaks for me

python/ray/serve/benchmarks/cluster.yaml

@@ -24,14 +24,10 @@ head_node:
                 VolumeSize: 100
 worker_nodes:
     InstanceType: m5.xlarge
-file_mounts: {}
-cluster_synced_files:
-    - /tmp/ray_tmp_mount/~/blank-serve-test
-file_mounts_sync_continuously: true
 initialization_commands: []
 setup_commands:
     - apt-get install build-essential libssl-dev git -y
-    - 'rm -r wrk || true && git clone https://github.com/wg/wrk.git wrk && cd wrk && make && cp wrk /usr/local/bin'
+    - 'rm -r wrk || true && git clone https://github.com/wg/wrk.git wrk && cd wrk && make -j && cp wrk /usr/local/bin'
 head_setup_commands: []
 worker_setup_commands: []
 head_start_ray_commands:
@@ -40,6 +36,3 @@ head_start_ray_commands:
 worker_start_ray_commands:
     - ray stop
     - 'ulimit -n 65536; ray start --address=$RAY_HEAD_IP:6379 --object-manager-port=8076'
-metadata:
-    anyscale:
-        working_dir: ~/blank-serve-test

python/ray/serve/benchmarks/single.yaml

@@ -0,0 +1,33 @@
+cluster_name: default
+
+docker:
+    image: 'anyscale/ray-ml:latest'
+    container_name: ray_container
+    pull_before_run: true
+
+provider:
+    type: aws
+    region: us-west-2
+    availability_zone: us-west-2a
+auth:
+    ssh_user: ubuntu
+head_node:
+    InstanceType: m5.16xlarge
+    BlockDeviceMappings:
+        -
+            DeviceName: /dev/sda1
+            Ebs:
+                VolumeSize: 100
+
+initialization_commands: []
+setup_commands:
+    - apt-get install build-essential libssl-dev git -y
+    - 'rm -r wrk || true && git clone https://github.com/wg/wrk.git wrk && cd wrk && make -j && cp wrk /usr/local/bin'
+head_setup_commands: []
+worker_setup_commands: []
+head_start_ray_commands:
+    - ray stop
+    - ulimit -n 65536; ray start --head --port=6379 --object-manager-port=8076 --autoscaling-config=~/ray_bootstrap_config.yaml
+worker_start_ray_commands:
+    - ray stop
+    - 'ulimit -n 65536; ray start --address=$RAY_HEAD_IP:6379 --object-manager-port=8076'