total       used       free     shared    buffers     cached
Mem:          7986       7445        541          0        533       3014
-/+ buffers/cache:       3896       4089
Swap:         7627          2       7625



top - 22:31:01 up 27 days,  1:26,  1 user,  load average: 0.60, 0.41, 0.32
Tasks: 177 total,   1 running, 176 sleeping,   0 stopped,   0 zombie
Cpu(s):  3.6%us,  1.2%sy,  0.0%ni, 94.7%id,  0.4%wa,  0.0%hi,  0.1%si,  0.0%st
Mem:   8177932k total,  7608744k used,   569188k free,   546528k buffers
Swap:  7811068k total,     2156k used,  7808912k free,  3086580k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
23309 zimbra    20   0 47256 7520 2408 S    8  0.1  43:24.79 zmstat-proc
16665 root      20   0 17336 1332  940 R    2  0.0   0:00.01 top
22432 zimbra    20   0 4923m 1.7g  16m S    2 21.9 419:05.58 java
23043 zimbra    20   0  387m 5404  800 S    2  0.1  16:12.62 httpd
23344 zimbra    20   0 47124 7324 2404 S    2  0.1  34:17.38 zmstat-mysql
    1 root      20   0 24344 2132 1332 S    0  0.0   0:06.65 init
    2 root      20   0     0    0    0 S    0  0.0   0:01.50 kthreadd
    3 root      20   0     0    0    0 S    0  0.0   9:06.17 ksoftirqd/0
    5 root      20   0     0    0    0 S    0  0.0  27:37.61 kworker/u:0
    6 root      RT   0     0    0    0 S    0  0.0   9:08.25 migration/0
    7 root      RT   0     0    0    0 S    0  0.0  13:51.36 watchdog/0
    8 root      RT   0     0    0    0 S    0  0.0   7:14.79 migration/1
   10 root      20   0     0    0    0 S    0  0.0   9:23.92 ksoftirqd/1
   11 root      RT   0     0    0    0 S    0  0.0  16:28.04 watchdog/1
   12 root      RT   0     0    0    0 S    0  0.0   6:52.07 migration/2
   14 root      20   0     0    0    0 S    0  0.0   8:22.24 ksoftirqd/2
   15 root      RT   0     0    0    0 S    0  0.0  13:40.41 watchdog/2
   16 root      RT   0     0    0    0 S    0  0.0  10:21.65 migration/3
   18 root      20   0     0    0    0 S    0  0.0   9:26.44 ksoftirqd/3