many node process

why there are many node process in the picture ? what dose pid 440973 440974 process dopic1

ing ?

Are you sure those are processes and not threads?
Connect with gdb and check what they are doing :man_shrugging:

there are subprocess

For mediasoup-worker check mediasoup :: Design
For node subprocesses, while I’m not convinced they are subprocesses, but if they are - they are not from mediasoup.