[data] feat: TransferQueue - Support managing multiple data partitions for Train/Val/Test in controller

recipe/transfer_queue/agent_loop.py

@@ -67,10 +67,7 @@ def _performance_metrics(self, metrics: list[list[dict[str, str]]], output: Data
 
         return timing
 
-    def create_transferqueue_client(self, controller_infos, storage_infos, role):
+    def create_transferqueue_client(self, controller_info, config):
         ray.get(
-            [
-                worker.create_transferqueue_client.remote(controller_infos, storage_infos, role)
-                for worker in self.agent_loop_workers
-            ]
+            [worker.create_transferqueue_client.remote(controller_info, config) for worker in self.agent_loop_workers]
         )

recipe/transfer_queue/ray_trainer.py

@@ -41,8 +41,8 @@
 from tqdm import tqdm
 from transfer_queue import (
     BatchMeta,
+    SimpleStorageUnit,
     TransferQueueController,
-    TransferQueueStorageSimpleUnit,
     get_placement_group,
     process_zmq_server_info,
 )
@@ -89,7 +89,6 @@
 from verl.utils.transferqueue_utils import (
     create_transferqueue_client,
     get_transferqueue_client,
-    get_val_transferqueue_client,
     tqbridge,
 )
 
@@ -412,111 +411,56 @@ def __init__(
 
         self._create_dataloader(train_dataset, val_dataset, collate_fn, train_sampler)
 
-        self.data_system_client = self._initialize_train_data_system(
-            self.config.data.train_batch_size, self.config.actor_rollout_ref.rollout.n
+        self.data_system_client = self._initialize_data_system()
+
+    def _initialize_data_system(self):
+        # 1. initialize TransferQueueStorage
+        train_data_size = (
+            self.config.data.train_batch_size
+            * self.config.trainer.num_global_batch
+            * self.config.actor_rollout_ref.rollout.n
         )
-        self.val_data_system_client = self._initialize_val_data_system(
-            self.val_batch_size, self.config.actor_rollout_ref.rollout.val_kwargs.n
+        val_data_size = (
+            self.val_batch_size
+            * self.config.trainer.num_global_batch
+            * self.config.actor_rollout_ref.rollout.val_kwargs.n
         )
 
-    def _initialize_train_data_system(self, global_batch_size, num_n_samples, role="train"):
-        # 1. initialize TransferQueueStorage
-        total_storage_size = global_batch_size * self.config.trainer.num_global_batch * num_n_samples
+        total_storage_size = train_data_size + val_data_size
         self.data_system_storage_units = {}
         storage_placement_group = get_placement_group(self.config.trainer.num_data_storage_units, num_cpus_per_actor=1)
         for storage_unit_rank in range(self.config.trainer.num_data_storage_units):
-            storage_node = TransferQueueStorageSimpleUnit.options(
+            storage_node = SimpleStorageUnit.options(
                 placement_group=storage_placement_group, placement_group_bundle_index=storage_unit_rank
-            ).remote(storage_size=math.ceil(total_storage_size / self.config.trainer.num_data_storage_units))
+            ).remote(storage_unit_size=math.ceil(total_storage_size / self.config.trainer.num_data_storage_units))
             self.data_system_storage_units[storage_unit_rank] = storage_node
-            logging.info(f"TransferQueueStorageSimpleUnit #{storage_unit_rank} has been created.")
+            logging.info(f"SimpleStorageUnit #{storage_unit_rank} has been created.")
 
         # 2. initialize TransferQueueController
-        # we support inilialize multiple controller instances for large-scale scenario. Please allocate exactly
-        # one controller for a single WorkerGroup.
-        self.data_system_controllers = {}
-        controller_placement_group = get_placement_group(self.config.trainer.num_data_controllers, num_cpus_per_actor=1)
-        for controller_rank in range(self.config.trainer.num_data_controllers):
-            self.data_system_controllers[controller_rank] = TransferQueueController.options(
-                placement_group=controller_placement_group, placement_group_bundle_index=controller_rank
-            ).remote(
-                num_storage_units=self.config.trainer.num_data_storage_units,
-                global_batch_size=global_batch_size,
-                num_global_batch=self.config.trainer.num_global_batch,
-                num_n_samples=num_n_samples,
-            )
-            logging.info(f"TransferQueueController #{controller_rank} has been created.")
+        self.data_system_controller = TransferQueueController.remote()
+        logging.info("TransferQueueController has been created.")
 
-        # 3. register controller & storage
-        self.data_system_controller_infos = process_zmq_server_info(self.data_system_controllers)
+        # 3. register controller & storage and prepare necessary information
+        self.data_system_controller_info = process_zmq_server_info(self.data_system_controller)
         self.data_system_storage_unit_infos = process_zmq_server_info(self.data_system_storage_units)
 
-        ray.get(
-            [
-                storage_unit.register_controller_info.remote(self.data_system_controller_infos)
-                for storage_unit in self.data_system_storage_units.values()
-            ]
-        )
+        # Note: Need to generate a new DictConfig with allow_objects=True to preserve ZMQServerInfo instances
+        # (which contain socket connection details). Without this flag, OmegaConf would flatten these objects to dicts,
+        # breaking the transfer queue client initialization.
+        tq_config = OmegaConf.create({}, flags={"allow_objects": True})
+        tq_config.controller_info = self.data_system_controller_info
+        tq_config.storage_unit_infos = self.data_system_storage_unit_infos
+        self.config = OmegaConf.merge(tq_config, self.config)
 
         # 4. create client
-        # each client should be allocated to exactly one controller
         create_transferqueue_client(
-            client_id="Trainer-" + role,
-            controller_infos=self.data_system_controller_infos,
-            storage_infos=self.data_system_storage_unit_infos,
+            client_id="Trainer",
+            controller_info=self.data_system_controller_info,
+            config=self.config,
         )
         data_system_client = get_transferqueue_client()
         return data_system_client
 
-    def _initialize_val_data_system(self, global_batch_size, num_n_samples, role="val"):
-        # 1. initialize TransferQueueStorage
-        total_storage_size = global_batch_size * self.config.trainer.num_global_batch * num_n_samples
-        self.val_data_system_storage_units = {}
-        storage_placement_group = get_placement_group(self.config.trainer.num_data_storage_units, num_cpus_per_actor=1)
-        for storage_unit_rank in range(self.config.trainer.num_data_storage_units):
-            storage_node = TransferQueueStorageSimpleUnit.options(
-                placement_group=storage_placement_group, placement_group_bundle_index=storage_unit_rank
-            ).remote(storage_size=math.ceil(total_storage_size / self.config.trainer.num_data_storage_units))
-            self.val_data_system_storage_units[storage_unit_rank] = storage_node
-            logging.info(f"TransferQueueStorageSimpleUnit #{storage_unit_rank} has been created.")
-
-        # 2. initialize TransferQueueController
-        # we support inilialize multiple controller instances for large-scale scenario. Please allocate exactly
-        # one controller for a single WorkerGroup.
-        self.val_data_system_controllers = {}
-        controller_placement_group = get_placement_group(self.config.trainer.num_data_controllers, num_cpus_per_actor=1)
-        for controller_rank in range(self.config.trainer.num_data_controllers):
-            self.val_data_system_controllers[controller_rank] = TransferQueueController.options(
-                placement_group=controller_placement_group, placement_group_bundle_index=controller_rank
-            ).remote(
-                num_storage_units=self.config.trainer.num_data_storage_units,
-                global_batch_size=global_batch_size,
-                num_global_batch=self.config.trainer.num_global_batch,
-                num_n_samples=num_n_samples,
-            )
-            logging.info(f"TransferQueueController #{controller_rank} has been created.")
-
-        # 3. register controller & storage
-        self.val_data_system_controller_infos = process_zmq_server_info(self.val_data_system_controllers)
-        self.val_data_system_storage_unit_infos = process_zmq_server_info(self.val_data_system_storage_units)
-
-        ray.get(
-            [
-                storage_unit.register_controller_info.remote(self.val_data_system_controller_infos)
-                for storage_unit in self.val_data_system_storage_units.values()
-            ]
-        )
-
-        # 4. create client
-        # each client should be allocated to exactly one controller
-        create_transferqueue_client(
-            client_id="Trainer-" + role,
-            controller_infos=self.val_data_system_controller_infos,
-            storage_infos=self.val_data_system_storage_unit_infos,
-        )
-        data_system_client = get_val_transferqueue_client()
-        return data_system_client
-
     def _create_dataloader(self, train_dataset, val_dataset, collate_fn, train_sampler: Optional[Sampler]):
         """
         Creates the train and validation dataloaders.
@@ -726,19 +670,19 @@ def _validate(self):
             if self.config.reward_model.enable and test_batch[0]["reward_model"]["style"] == "model":
                 return {}
 
-            asyncio.run(self.val_data_system_client.async_put(data=test_batch, global_step=self.global_steps - 1))
+            asyncio.run(self.data_system_client.async_put(data=test_batch, partition_id=f"val_{self.global_steps - 1}"))
 
             # Store original inputs
             batch_meta = asyncio.run(
-                self.val_data_system_client.async_get_meta(
+                self.data_system_client.async_get_meta(
                     data_fields=["input_ids", "uid", "reward_model"],
                     batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                    global_step=self.global_steps - 1,
+                    partition_id=f"val_{self.global_steps - 1}",
                     get_n_samples=False,
                     task_name="get_data",
                 )
             )
-            data = asyncio.run(self.val_data_system_client.async_get_data(batch_meta))
+            data = asyncio.run(self.data_system_client.async_get_data(batch_meta))
             input_ids = data["input_ids"]
             # TODO: Can we keep special tokens except for padding tokens?
             input_texts = [self.tokenizer.decode(ids, skip_special_tokens=True) for ids in input_ids]
@@ -749,10 +693,10 @@ def _validate(self):
             sample_gts.extend(ground_truths)
 
             test_gen_meta = asyncio.run(
-                self.val_data_system_client.async_get_meta(
+                self.data_system_client.async_get_meta(
                     data_fields=list(test_batch.keys()),  # TODO: (TQ) Get metadata by specified fields
                     batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                    global_step=self.global_steps - 1,  # self.global_steps start from 1
+                    partition_id=f"val_{self.global_steps - 1}",  # self.global_steps start from 1
                     get_n_samples=False,
                     task_name="generate_sequences",
                 )
@@ -779,15 +723,15 @@ def _validate(self):
 
             # Store generated outputs
             test_response_meta = asyncio.run(
-                self.val_data_system_client.async_get_meta(
+                self.data_system_client.async_get_meta(
                     data_fields=["responses"],
                     batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                    global_step=self.global_steps - 1,  # self.global_steps start from 1
+                    partition_id=f"val_{self.global_steps - 1}",  # self.global_steps start from 1
                     get_n_samples=False,
                     task_name="get_response",
                 )
             )
-            data = asyncio.run(self.val_data_system_client.async_get_data(test_response_meta))
+            data = asyncio.run(self.data_system_client.async_get_data(test_response_meta))
             output_ids = data["responses"]
             output_texts = [self.tokenizer.decode(ids, skip_special_tokens=True) for ids in output_ids]
             sample_outputs.extend(output_texts)
@@ -808,10 +752,10 @@ def _validate(self):
             if "rm_scores" in batch_meta.field_names:
                 compute_reward_fields = ["rm_scores"]
             val_reward_meta = asyncio.run(
-                self.val_data_system_client.async_get_meta(
+                self.data_system_client.async_get_meta(
                     data_fields=compute_reward_fields,
                     batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                    global_step=self.global_steps - 1,
+                    partition_id=f"val_{self.global_steps - 1}",
                     get_n_samples=False,
                     task_name="compute_reward",
                 )
@@ -832,29 +776,29 @@ def _validate(self):
             # collect num_turns of each prompt
             if "__num_turns__" in test_batch_meta.field_names:
                 num_turns_meta = asyncio.run(
-                    self.val_data_system_client.async_get_meta(
+                    self.data_system_client.async_get_meta(
                         data_fields=["__num_turns__"],
                         batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                        global_step=self.global_steps - 1,  # self.global_steps start from 1
+                        partition_id=f"val_{self.global_steps - 1}",  # self.global_steps start from 1
                         get_n_samples=False,
                         task_name="get_num_turns",
                     )
                 )
-                data = asyncio.run(self.val_data_system_client.async_get_data(num_turns_meta))
+                data = asyncio.run(self.data_system_client.async_get_data(num_turns_meta))
                 sample_turns.append(data["__num_turns__"])
 
             data_source = ["unknown"] * reward_tensor.shape[0]
             if "data_source" in test_batch_meta.field_names:
                 data_source_meta = asyncio.run(
-                    self.val_data_system_client.async_get_meta(
+                    self.data_system_client.async_get_meta(
                         data_fields=["data_source"],
                         batch_size=self.val_batch_size * self.config.actor_rollout_ref.rollout.val_kwargs.n,
-                        global_step=self.global_steps - 1,  # self.global_steps start from 1
+                        partition_id=f"val_{self.global_steps - 1}",  # self.global_steps start from 1
                         get_n_samples=False,
                         task_name="get_data_source",
                     )
                 )
-                data = asyncio.run(self.val_data_system_client.async_get_data(data_source_meta))
+                data = asyncio.run(self.data_system_client.async_get_data(data_source_meta))
                 data_source = data["data_source"]
 
             data_source_lst.append(data_source)
@@ -902,7 +846,7 @@ def _validate(self):
             metric_dict["val-aux/num_turns/max"] = sample_turns.max()
             metric_dict["val-aux/num_turns/mean"] = sample_turns.mean()
 
-        asyncio.run(self.val_data_system_client.async_clear(self.global_steps - 1))
+        asyncio.run(self.data_system_client.async_clear(partition_id=f"val_{self.global_steps - 1}"))
         return metric_dict
 
     def init_workers(self):
@@ -1003,12 +947,7 @@ def init_workers(self):
 
         # set transferqueue server info for each worker
         for _, wg in all_wg.items():
-            wg.create_transferqueue_client(
-                self.data_system_controller_infos, self.data_system_storage_unit_infos, role="train"
-            )
-            wg.create_transferqueue_client(
-                self.val_data_system_controller_infos, self.val_data_system_storage_unit_infos, role="val"
-            )
+            wg.create_transferqueue_client(self.data_system_controller_info, self.config)
 
         # create async rollout manager and request scheduler
         self.async_rollout_mode = False
@@ -1020,12 +959,7 @@ def init_workers(self):
                 config=self.config, worker_group=self.actor_rollout_wg, rm_wg=self.rm_wg
             )
 
-            self.async_rollout_manager.create_transferqueue_client(
-                self.data_system_controller_infos, self.data_system_storage_unit_infos, role="train"
-            )
-            self.async_rollout_manager.create_transferqueue_client(
-                self.val_data_system_controller_infos, self.val_data_system_storage_unit_infos, role="val"
-            )
+            self.async_rollout_manager.create_transferqueue_client(self.data_system_controller_info, self.config)
 
     def _save_checkpoint(self):
         from verl.utils.fs import local_mkdir_safe
@@ -1313,7 +1247,7 @@ def fit(self):
                 timing_raw = {}
                 base_get_meta_kwargs = dict(
                     batch_size=self.config.data.train_batch_size * self.config.actor_rollout_ref.rollout.n,
-                    global_step=self.global_steps - 1,  # self.global_steps starts from 1
+                    partition_id=f"train_{self.global_steps - 1}",  # self.global_steps starts from 1
                     get_n_samples=False,
                 )
 
@@ -1333,7 +1267,9 @@ def fit(self):
                     batch_dict, repeat_times=self.config.actor_rollout_ref.rollout.n, interleave=True
                 )
                 batch: TensorDict = self.dict_to_tensordict(repeated_batch_dict)
-                asyncio.run(self.data_system_client.async_put(data=batch, global_step=self.global_steps - 1))
+                asyncio.run(
+                    self.data_system_client.async_put(data=batch, partition_id=f"train_{self.global_steps - 1}")
+                )
 
                 gen_meta = asyncio.run(
                     self.data_system_client.async_get_meta(
@@ -1709,7 +1645,7 @@ def fit(self):
                                     ],
                                     batch_size=self.config.data.train_batch_size
                                     * self.config.actor_rollout_ref.rollout.n,
-                                    global_step=self.global_steps - 1,
+                                    partition_id=f"train_{self.global_steps - 1}",
                                     get_n_samples=False,
                                     task_name="update_actor",
                                 )
@@ -1735,7 +1671,7 @@ def fit(self):
                             self.data_system_client.async_get_meta(
                                 data_fields=data_fields,
                                 batch_size=self.config.data.train_batch_size * self.config.actor_rollout_ref.rollout.n,
-                                global_step=self.global_steps - 1,
+                                partition_id=f"train_{self.global_steps - 1}",
                                 get_n_samples=False,
                                 task_name="log_rollout",
                             )
@@ -1857,7 +1793,7 @@ def fit(self):
                     # TODO: (TQ) support transfer queue
                     self.train_dataloader.sampler.update(batch=batch)
 
-                asyncio.run(self.data_system_client.async_clear(self.global_steps - 1))
+                asyncio.run(self.data_system_client.async_clear(partition_id=f"train_{self.global_steps - 1}"))
                 # TODO: make a canonical logger that supports various backend
                 logger.log(data=metrics, step=self.global_steps)
 

requirements_transferqueue.txt

@@ -1,2 +1,2 @@
 # requirements.txt records the full set of dependencies for development
-git+https://github.com/TransferQueue/TransferQueue.git@68c04e7
+git+https://github.com/TransferQueue/TransferQueue.git@862b74a