Temporary solution (maybe cron is usefull):
echo 3 > /proc/sys/vm/drop_caches Kill all zombies:
kill -HUP $(ps -A -ostat,ppid | grep -e '[zZ]'| awk '{ print $2 }') More:
https://forums.plex.tv/index.php/topic/112089-temporary-solution-for-runaway-memory/
kswapd0 100% processor usage