VPS Memory Usage

Tasks:  20 total,   1 running,  19 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1048576k total,   540696k used,   507880k free,        0k buffers
Swap:        0k total,        0k used,        0k free,        0k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
    1 root      15   0  3020 1580 1324 S    0  0.2   0:00.30 init
 1282 root      18   0  2568  928  748 S    0  0.1   0:00.00 cron
 1291 mysql     15   0  333m  35m 6328 S    0  3.5   0:00.21 mysqld
 1295 root      18   0  2192  752  656 S    0  0.1   0:00.00 syslogd
 1382 root      25   0 10220 1016  332 S    0  0.1   0:00.00 nginx
 1383 www-data  18   0 10696 2180 1052 S    0  0.2   0:00.02 nginx
 1384 www-data  18   0 10380 1416  580 S    0  0.1   0:00.00 nginx
 1385 www-data  18   0 10380 1416  580 S    0  0.1   0:00.00 nginx
 1386 www-data  18   0 10380 1404  568 S    0  0.1   0:00.00 nginx
 1418 root      18   0 32968 3044 1184 S    0  0.3   0:00.00 php5-fpm
 1419 www-data  15   0 45076  16m 3244 S    0  1.7   0:00.27 php5-fpm
 1420 www-data  15   0 45084  17m 3236 S    0  1.7   0:00.50 php5-fpm
 1421 www-data  16   0 48480  20m 3176 S    0  2.0   0:00.33 php5-fpm
 1422 www-data  18   0 33512 4720 2188 S    0  0.5   0:00.03 php5-fpm
 1440 root      15   0  6632 2356 1924 S    0  0.2   0:00.00 sshd
 1710 root      15   0 87596 1376  920 S    0  0.1   0:00.00 varnishd
 1711 nobody    18   0  169m 1692  988 S    0  0.2   0:00.06 varnishd
 1768 root      18   0  9596 3036 2428 S    0  0.3   0:00.08 sshd
 1784 root      15   0  3428 1748 1404 S    0  0.2   0:00.00 bash
 1796 root      15   0  2672 1152  964 R    0  0.1   0:00.00 top