reg lvestats.pid

root 1081404 1 0 Jan03 ? 00:34:54 /opt/alt/python27/bin/python2.7 /usr/share/lve-stats/lvestats-server.py start --pidfile /var/run/lvestats.pid
root 1081411 1081404 0 Jan03 ? 01:35:15 /opt/alt/python27/bin/python2.7 /usr/share/lve-stats/lvestats-server.py start --pidfile /var/run/lvestats.pid
root 1081434 1081404 1 Jan03 ? 04:46:16 /opt/alt/python27/bin/python2.7 /usr/share/lve-stats/lvestats-server.py start --pidfile /var/run/lvestats.pid

What process is this?

Sounds like you have CloudLinux with lve-stats installed:

Check this: