Someone

report.netsnmp.memStats.name=System Memory Stats
report.netsnmp.memStats.columns=memAvailSwap,memTotalReal,memAvailReal,memBuffer,memCached,memShared
report.netsnmp.memStats.type=node
report.netsnmp.memStats.width=565
report.netsnmp.memStats.height=200
report.netsnmp.memStats.command=--title="System Memory Stats" \
 --width 565 \
 --height 200 \
 --lower-limit 0 \
 --base=1024 \
 --vertical-label="Bytes" \
 DEF:memavailswap={rrd1}:memAvailSwap:AVERAGE \
 DEF:memtotalreal={rrd2}:memTotalReal:AVERAGE \
 DEF:memavailreal={rrd3}:memAvailReal:AVERAGE \
 DEF:membuffer={rrd4}:memBuffer:AVERAGE \
 DEF:memcached={rrd5}:memCached:AVERAGE \
 DEF:memshared={rrd6}:memShared:AVERAGE \
 CDEF:memavailswapBytes=memavailswap,1024,* \
 CDEF:memtotalrealBytes=memtotalreal,1024,* \
 CDEF:memavailrealBytes=memavailreal,1024,* \
 CDEF:membufferBytes=membuffer,1024,* \
 CDEF:memcachedBytes=memcached,1024,* \
 CDEF:memsharedBytes=memshared,1024,* \
 CDEF:usedBytes=memtotalrealBytes,membufferBytes,-,memcachedBytes,-,memsharedBytes,-,memavailrealBytes,- \
 AREA:usedBytes#dd4400:"Used (Other)" \
 GPRINT:usedBytes:AVERAGE:"    Avg  \\: %8.2lf %s" \
 GPRINT:usedBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:usedBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 STACK:membufferBytes#00ffff:"IO Buff Ram " \
 GPRINT:membufferBytes:AVERAGE:"    Avg  \\: %8.2lf %s" \
 GPRINT:membufferBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:membufferBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 STACK:memsharedBytes#000a44:"Shared Mem    " \
 GPRINT:memsharedBytes:AVERAGE:"  Avg  \\: %8.2lf %s" \
 GPRINT:memsharedBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:memsharedBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 STACK:memcachedBytes#00aa00:"Filesystem Cache" \
 GPRINT:memcachedBytes:AVERAGE:"Avg  \\: %8.2lf %s" \
 GPRINT:memcachedBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:memcachedBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 STACK:memavailrealBytes#00ff00:"Avail Real Mem" \
 GPRINT:memavailrealBytes:AVERAGE:"  Avg  \\: %8.2lf %s" \
 GPRINT:memavailrealBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:memavailrealBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 STACK:memavailswapBytes#ff0000:"Total Swap    " \
 GPRINT:memavailswapBytes:AVERAGE:"  Avg  \\: %8.2lf %s" \
 GPRINT:memavailswapBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:memavailswapBytes:MAX:"Max  \\: %8.2lf %s\\n" \
 LINE2:memtotalrealBytes#0000ff:"Total Real Mem" \
 GPRINT:memtotalrealBytes:AVERAGE:"  Avg  \\: %8.2lf %s" \
 GPRINT:memtotalrealBytes:MIN:"Min  \\: %8.2lf %s" \
 GPRINT:memtotalrealBytes:MAX:"Max  \\: %8.2lf %s\\n" \