I want to use avatar with bithuman, but got "process memory usage is high" and "worker is at full capacity, marking as unavailable".
Do you have any advice?

2025-05-19 14:18:27.262 | INFO | bithuman.video_graph.navigator:from_workspace:132 - Loading model from /home/ubuntu/albert_einstein.imx
2025-05-19 14:18:27.791 | INFO | bithuman.video_graph.video_script:update_runtime_configs:334 - Updated runtime configs from model: {}
2025-05-19 14:18:27.794 | INFO | bithuman.runtime:load_data:408 - Loading model data: 1 models and 0 fillers
2025-05-19 14:18:29,878 - livekit.agents - WARNING - process memory usage is high
{"message": "process memory usage is high", "level": "WARNING", "name": "livekit.agents", "memory_usage_mb": 582.828125, "memory_warn_mb": 500, "memory_limit_mb": 0, "pid": 3526106, "job_id": "XXX", "timestamp": "2025-05-19T06:18:29.878112+00:00"}
2025-05-19 14:18:32.269 | INFO | bithuman.runtime:load_data:443 - Model data loaded successfully
2025-05-19 14:18:32,669 - livekit.agents - INFO - worker is at full capacity, marking as unavailable
{"message": "worker is at full capacity, marking as unavailable", "level": "INFO", "name": "livekit.agents", "load": 0.8388, "threshold": "_WorkerEnvOption(dev_default=inf, prod_default=0.75)", "timestamp": "2025-05-19T06:18:32.669676+00:00"}