no replica rank only pid

Author: pengwu22

verl/workers/rollout/sglang_rollout/async_sglang_server.py

@@ -127,7 +127,7 @@ def __init__(
         if self.node_rank == 0:
             self._master_address = self._server_address
             # Seed with replica_rank + pid to avoid port conflicts across replicas and restarts
-            self._master_port = get_free_port(self._server_address, random_seed=self.replica_rank + os.getpid())
+            self._master_port = get_free_port(self._server_address, random_seed=os.getpid())
             logger.info(
                 f"SGLangHttpServer, replica_rank: {self.replica_rank}, "
                 f"master address: {self._master_address}, port: {self._master_port}"

verl/workers/rollout/vllm_rollout/vllm_async_server.py

@@ -152,7 +152,7 @@ def __init__(
         # used for data parallel: --data-parallel-address, --data-parallel-rpc-port
         if self.node_rank == 0:
             self._master_address = self._server_address
-            random_seed = self.replica_rank + os.getpid()
+            random_seed = os.getpid()
             # used for torch.distributed.init_process_group
             self._master_port = get_free_port(self._server_address, random_seed=random_seed)
             # used for data parallel: --data-parallel-address, --data-parallel-rpc-port