请帮忙看看VPS有没有问题，这是TOP
内存快满了，负载也高。top - 07:59:06 up 2 days, 14:14,1 user,load average: 0.44, 0.73, 0.67
Tasks:35 total, 1 running,34 sleeping, 0 stopped, 0 zombie
Cpu(s):1.9%us,0.2%sy,0.5%ni, 97.5%id,0.0%wa,0.0%hi,0.0%si,0.0%st
Mem: 262144k total, 257936k used, 4208k free, 0k buffers
Swap: 262144k total, 96008k used, 166136k free, 103288k cached
PID USER PRNIVIRTRESSHR S %CPU %MEM TIME+COMMAND
19405 nobody 20 0 4511227m 5756 S 3 10.6 0:03.76 lsphp5
950 mysql 3919 4925215m 2488 S 16.118:14.48 mysqld
640 nobody 20 0 11500 2564 1120 S 01.0 5:37.72 litespeed
19409 root 20 02328 1100880 R 00.4 0:00.01 top
1 root 20 02028 84 64 S 00.0 0:02.30 init
2 root 20 0 0 0 0 S 00.0 0:00.00 kthreadd/19745
3 root 20 0 0 0 0 S 00.0 0:00.00 khelper/19745
597 root 20 01736284236 S 00.1 0:00.64 syslogd
619 root 20 08088688404 S 00.3 0:39.66 litespeed
622 root 20 01716 44 32 S 00.0 0:07.64 httpd
641 nobody 20 0 24320120 96 S 00.0 0:09.02 lsphp5
642 nobody 20 0 24320120 96 S 00.0 0:08.81 lsphp5
643 nobody 20 0 24320120 96 S 00.0 0:08.56 lsphp5
784 root 20 01856116116 S 00.0 0:00.00 pptpd
804 root 20 05488140140 S 00.1 0:00.00 sshd
809 root 20 02680 4 4 S 00.0 0:00.01 mysqld_safe
829 root 20 02288248180 S 00.1 0:00.68 cron
951 root 20 01668124124 S 00.0 0:00.00 logger
17145 nobody 20 0 24320920888 S 00.4 0:01.12 lsphp5
19314 nobody 20 0 3548016m 4728 S 06.5 0:26.07 lsphp5
19323 nobody 20 0 40392 6456 3996 S 02.5 0:00.51 lsphp5
19370 nobody 20 0 3545611m 4356 S 04.6 0:16.56 lsphp5
19379 nobody 20 0 24320 4492 4368 S 01.7 0:00.04 lsphp5
19382 root 20 08688 1724 1600 S 00.7 0:00.10 sshd
19385 root 20 03020 1180964 S 00.5 0:00.00 bash
19390 nobody 20 0 34032 3916 3896 S 01.5 0:00.33 lsphp5
19391 nobody 20 0 24320 4392 4364 S 01.7 0:00.03 lsphp5
19392 nobody 20 0 3680018m 4588 S 07.3 0:01.76 lsphp5
19394 nobody 20 0 3355614m 4100 S 05.7 0:00.45 lsphp5
19395 nobody 20 0 4546820m 6308 S 07.9 0:01.78 lsphp5
19399 nobody 20 0 24320 4392 4368 S 01.7 0:00.03 lsphp5
19400 nobody 20 0 3524817m 4384 S 06.8 0:02.23 lsphp5
19406 nobody 20 0 3156012m 4024 S 04.7 0:00.13 lsphp5
19407 nobody 20 0 24320 8156 4368 S 03.1 0:00.02 lsphp5
19408 nobody 20 0 3217216m 4704 S 06.4 0:00.50 lsphp5
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