cosmin.pascaru:

if your OS starts swapping memory to disk, it might get extremely slow.


Hi cosmin.pascaru,
I changed the num_workers to 8. Now also it is still showing constantly 1% GPU usage. Memory usage of CPU is listed below. How to stop swapping memory to disk?
Mem[|||||||||||||||8.41G/31.1G]
Swp[|||||||||||||||17.6G/31.7G]