I am running a php app behind apache. Randomly apache stops responding but apache continues to run. I can't curl localhost but I can see the apache process is still running as well as multiple apache worker processes.
- My servers resources aren't exhausted (memory, ram, network, etc).
- No logs are being written to the apache error logs or access logs during this time
- When I restart apache everything quickly resolves
Not sure what the issue is or where to look, open to suggestion.