zfs_memory

#!/usr/bin/bash
#
# munin plugin for monitoring zfs memory
#
# http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Limiting_the_ARC_Cache

#%# family=auto
#%# capabilities=autoconf

if [ "$1" = "config" ]; then
  echo "graph_title ZFS Memory Consumption"
  echo 'graph_args --upper-limit 100 -l 0'
  echo 'graph_category disk'
  echo 'graph_vlabel Memory in %'
  echo 'memory.label memory'
  exit 0
fi;

echo -n "memory.value "
/usr/bin/echo ::memstat | /usr/bin/mdb -k | /usr/bin/grep 'ZFS' | /usr/bin/awk '{ print $6}' | /usr/bin/sed 's/%//g'