kill all leaking rails processes runnning via passenger

crontab

# every 5 minutes run this script ↓
*/12 * * * *   /path/to/kill_memleaked_rails.sh

kill_memleaked_rails.sh

#!/bin/sh
# Kill every passenger spawned rails instance with more than 350M memory usage
# don't forget to chmod+x on this file
# put it to /usr/local/bin or your rails user homedir i.e  ~/bin/
for i in `passenger-memory-stats |grep current|awk '{if ($2 > 350) print $1}'` ; do kill -9 $i; done

Your simple grep into awk slays me. :(