| {"item_handlers": {"config": "orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler", "metadata": "orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler", "train_state": "orbax.checkpoint._src.handlers.standard_checkpoint_handler.StandardCheckpointHandler"}, "metrics": {}, "performance_metrics": {}, "init_timestamp_nsecs": 1768645757943165321, "commit_timestamp_nsecs": 1768645758782563716, "custom_metadata": {}} |