[CP] Ensure orchestrators aren't assigned to 32 core machines

.ci.yaml

@@ -174,6 +174,23 @@ targets:
       config_name: linux_fuchsia
     # Do not remove(https://github.com/flutter/flutter/issues/144644)
     # Scheduler will fail to get the platform
+    drone_dimensions:
+      - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
+
+  - name: Linux linux_fuchsia_tests
+    recipe: engine_v2/engine_v2
+    bringup: true
+    timeout: 90
+    properties:
+      config_name: linux_fuchsia_tests
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
     dimensions:
@@ -204,8 +221,16 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: linux_arm_host_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Linux linux_host_engine
     recipe: engine_v2/engine_v2
@@ -218,8 +243,16 @@ targets:
         [
           {"dependency": "goldctl", "version": "git_revision:720a542f6fe4f92922c3b8f0fdcc4d2ac6bb83cd"}
         ]
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Linux linux_host_desktop_engine
     recipe: engine_v2/engine_v2
@@ -228,8 +261,16 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: linux_host_desktop_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Linux linux_android_aot_engine
     recipe: engine_v2/engine_v2
@@ -238,8 +279,16 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: linux_android_aot_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Linux linux_android_debug_engine
     recipe: engine_v2/engine_v2
@@ -248,8 +297,16 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: linux_android_debug_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Linux linux_license
     recipe: engine_v2/builder
@@ -265,8 +322,16 @@ targets:
     properties:
       release_build: "true"
       config_name: linux_web_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
     runIf:
       - DEPS
       - .ci.yaml
@@ -325,8 +390,16 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: mac_android_aot_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
+    dimensions:
+      # This is needed so that orchestrators that only spawn subbuilds are not
+      # assigned to the large 32 core workers when doing release builds.
+      # For more details see the issue
+      # at https://github.com/flutter/flutter/issues/152186.
+      cores: "8"
 
   - name: Mac mac_clang_tidy
     recipe: engine_v2/engine_v2
@@ -364,13 +437,17 @@ targets:
         {
           "sdk_version": "15a240d"
         }
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Mac-13|Mac-14
 
+  # Avoid using a Mac orchestrator to save ~5 minutes of Mac host time.
   - name: Linux mac_clangd
     recipe: engine_v2/engine_v2
     timeout: 240
-    # Avoid using a Mac orchestrator to save ~5 minutes of Mac host time.
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Linux
     properties:
@@ -394,6 +471,8 @@ targets:
         {
           "sdk_version": "15a240d"
         }
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Mac-13|Mac-14
       - cpu=x86
@@ -413,6 +492,8 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: windows_android_aot_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Windows
 
@@ -423,6 +504,8 @@ targets:
       add_recipes_cq: "true"
       release_build: "true"
       config_name: windows_host_engine
+    # Do not remove(https://github.com/flutter/flutter/issues/144644)
+    # Scheduler will fail to get the platform
     drone_dimensions:
       - os=Windows