I have an arm processor board. Physical DDR memory size is 1 GB. While executing top command from linux, the VSZ memory for a particular processes are high (around 993 MB). My physical memory size is 1 GB. Will this really make a problem for long run? How VSZ memory allocate for process?Mem: 431540K used, 548484K free, 0K shrd, 3996K buff, 92864K cachedCPU:  0.0% usr  0.0% sys  0.0% nic  100% idle  0.0% io  0.0% irq  0.0% sirqLoad average: 1.12 1.28 1.27 2/209 23691PID  PPID USER     STAT   VSZ %VSZ CPU %CPU COMMAND6543  6458 root     S     993m 103.2   3  0.0 ./dockerd-17.06.0-dev -D --insecure-registry6553  6543 root     S     647m  67.3   0  0.0 docker-containerd -l unix:///var/run/docker/libcontainerd/docker-containerd.sock --metrics-interval=0 --start-timeout 2m --state-dir /var/run/docker/li14019  6553 root     S     334m  34.7   3  0.0 docker-containerd-shim 
How VSZ or VIRT memory allocated for a process in linux
linux;top;virtual memory