memory effectively used by a Java process

cat /proc/102433/smaps | grep -i pss | awk '{Total+=$2} END {print Total/1024" MB"}'

499.514 MB

cat /proc/102433/smaps | grep -i rss | awk '{Total+=$2} END {print Total/1024" MB"}'

506.32 MB


jmap

pmap


To learn more about smaps, read here https://jameshunt.us/writings/smaps.html