Memory - cpu maxed...

I'm running zoho VO on a pent4 - 1gig of ram Debian box. I have 4 users set up
but I'm the only one logged in. As you can see, the box is getting hammered with java processes. I have zoho running as root.

Any ideas?
Thanks.

top - 13:07:17 up 22 days, 2:42, 3 users, load average: 5.15, 3.77, 2.79
Tasks: 209 total, 3 running, 205 sleeping, 0 stopped, 1 zombie
Cpu(s): 78.5% user, 21.3% system, 0.0% nice, 0.2% idle
Mem: 905404k total, 850016k used, 55388k free, 9256k buffers
Swap: 2714944k total, 432452k used, 2282492k free, 197368k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
31091 root 20 0 749m 619m 317m R 20.8 70.0 95:02.28 java
1293 root 10 0 749m 619m 317m S 19.3 70.0 7:46.74 java
2657 admin 14 0 1152 1152 852 R 16.4 0.1 0:06.62 top
515 root 9 0 26508 18m 6096 S 10.8 2.1 0:05.39 mysqld
6073 root 9 0 26508 18m 6096 S 8.8 2.1 10:18.37 mysqld
31086 root 10 0 748m 619m 317m S 8.4 70.0 94:06.48 java
31090 root 13 0 749m 619m 317m S 4.7 70.0 101:36.35 java
31088 root 10 0 749m 619m 317m S 2.9 70.0 101:45.39 java
30854 root 10 0 748m 619m 316m S 2.3 70.0 157:30.65 java
31618 root 9 0 26508 18m 6096 S 1.0 2.1 21:07.32 mysqld
31118 root 9 0 749m 619m 317m S 0.8 70.0 2:35.91 java
31258 root 9 0 26508 18m 6096 S 0.6 2.1 1:23.13 mysqld
30867 root 9 0 748m 619m 317m S 0.4 70.0 12:38.79 java
31123 root 9 0 749m 619m 317m S 0.4 70.0 6:52.21 java