The python process stops and restarting the process still cannot solve the problem. It can only be killed.

Question

1. The process runs for a period of time and suddenly stops.
The process is displayed as sleeping.
2. Eliminate the reason for reaching the maximum limit of open file handles
3. Use strace -p pid
and get stuck at

.

Answer 1

It seems to be waiting for data, is it a program like socket?