Here is another "top" capture:
[root@mail zcs]# top
top - 23:20:07 up 32 days, 43 min, 1 user, load average: 0.41, 0.25, 0.33
Tasks: 122 total, 5 running, 117 sleeping, 0 stopped, 0 zombie
Cpu(s): 81.6% us, 18.4% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 2067660k total, 1933072k used, 134588k free, 103528k buffers
Swap: 4192956k total, 60k used, 4192896k free, 1236268k cached
PID USER
PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
25514 zimbra 16 0 104m 15m 3128 S 79.2 0.8 0:09.42 mysqld
3472 zimbra 18 0 7288 4592 2132 R 19.6 0.2 0:00.89 zmlogprocess
25988 zimbra 16 0 736m 53m 3356 S 0.7 2.6 0:00.69 mysqld
26437 zimbra 16 0 866m 202m 15m S 0.7 10.0 0:11.82 java
3458 root 16 0 2024 1012 784 R 0.3 0.0 0:00.02 top
1 root 16 0 1744 568 492 S 0.0 0.0 0:01.59 init
2 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0
3 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0