1. FE DirectMemory 不断上涨直至OOM
2. 没OOM之前也会报错(偶发，有时候报，网络没有问题)：
   2026-04-09 16:11:18.277 | ERROR | main::237 - data_loader方法报错: IO: [FlightSQL] connection error: desc = "transport: Error while dialing: dial tcp 172.31.23.19:8070: connect: network is unreachable" (Unavailable; AuthenticateBasicToken). Vendor code: 14
   2026-04-09 16:11:19.436 | INFO | main::239 -
   2026-04-09 16:11:19.436 >>>>>>>>>>>>> /mnt/ai-saving/pv-load-forecasting-v2.0.1/pv-forecasting//src/data/pred/weather_clear.py
   2026-04-09 16:11:18.297 | ERROR | main::237 - data_loader方法报错: IO: [FlightSQL] connection error: desc = "transport: Error while dialing: dial tcp 172.31.23.19:8070: connect: network is unreachable" (Unavailable; AuthenticateBasicToken). Vendor code: 14
   2026-04-09 16:11:19.440 | INFO | main::239 -