Worker Heartbeat: Use Worker Set instead of Runtime for Key in nexus TQ

buf.yaml

@@ -13,6 +13,8 @@ breaking:
     - WIRE_JSON
   ignore:
     - google
+    # TODO (yuandrew): remove this. Added for "heartbeat" changes
+    - temporal/api/worker/v1/message.proto
 lint:
   use:
     - DEFAULT

openapi/openapiv2.json

@@ -16272,13 +16272,13 @@
           "type": "string",
           "description": "Worker host identifier."
         },
-        "processKey": {
+        "workerSetKey": {
           "type": "string",
-          "title": "Worker process identifier. This id should be unique for all _processes_\nrunning workers in the namespace, and should be shared by all workers\nin the same process.\nThis will be used to build the worker command nexus task queue name:\n\"temporal-sys/worker-commands/{process_key}\""
+          "title": "Worker set identifier. This id should be unique for all worker sets (grouped\nby clients they share) running workers in the namespace, and should be shared by all\nworkers in the same worker set.\nThis will be used to build the worker command nexus task queue name:\n\"temporal-sys/worker-commands/{worker_set_key}\""
         },
         "processId": {
           "type": "string",
-          "description": "Worker process identifier. Unlike process_key, this id only needs to be unique\nwithin one host (so using e.g. a unix pid would be appropriate)."
+          "description": "Worker process identifier. This id only needs to be unique\nwithin one host (so using e.g. a unix pid would be appropriate)."
         },
         "currentHostCpuUsage": {
           "type": "number",

openapi/openapiv3.yaml

@@ -13611,18 +13611,18 @@ components:
         hostName:
           type: string
           description: Worker host identifier.
-        processKey:
+        workerSetKey:
           type: string
           description: |-
-            Worker process identifier. This id should be unique for all _processes_
-             running workers in the namespace, and should be shared by all workers
-             in the same process.
+            Worker set identifier. This id should be unique for all worker sets (grouped
+             by clients they share) running workers in the namespace, and should be shared by all
+             workers in the same worker set.
              This will be used to build the worker command nexus task queue name:
-             "temporal-sys/worker-commands/{process_key}"
+             "temporal-sys/worker-commands/{worker_set_key}"
         processId:
           type: string
           description: |-
-            Worker process identifier. Unlike process_key, this id only needs to be unique
+            Worker process identifier. This id only needs to be unique
              within one host (so using e.g. a unix pid would be appropriate).
         currentHostCpuUsage:
           type: number

temporal/api/worker/v1/message.proto

@@ -54,15 +54,14 @@ message WorkerHostInfo {
   // Worker host identifier.
   string host_name = 1;
 
-
-  // Worker process identifier. This id should be unique for all _processes_
-  // running workers in the namespace, and should be shared by all workers
-  // in the same process.
+  // Worker set identifier. This id should be unique for all worker sets (grouped
+  // by clients they share) running workers in the namespace, and should be shared by all
+  // workers in the same worker set.
   // This will be used to build the worker command nexus task queue name:
-  // "temporal-sys/worker-commands/{process_key}"
-  string process_key = 5;
+  // "temporal-sys/worker-commands/{worker_set_key}"
+  string worker_set_key = 5;
 
-  // Worker process identifier. Unlike process_key, this id only needs to be unique
+  // Worker process identifier. This id only needs to be unique
   // within one host (so using e.g. a unix pid would be appropriate).
   string process_id = 2;