Stock Debian 6.0.5 x86_64
Latest Plesk 11.x
This happens every day after a certain automated upgrade done by Plesk panel.
Nothing short of a kill -9 can stop these Perls.
top - 12:16:38 up 72 days, 18:35, 1 user, load average: 5.43, 5.33, 5.14
Tasks: 226 total, 6 running, 220...