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硬件:浪潮nf520、4G内存、至强CPU3.0G*4、SCSI硬盘RAID5、1000M网卡
软件:CentOS4.4、vsftpd-2.0.5
设置:开放700用户单线程下载、100kb/线程
目前下载速度只能达到60k/s左右
top输出如下:
top - 15:55:43 up 3:01, 2 users, load average: 409.73, 399.35, 372.70
Tasks: 1424 total, 2 running, 1422 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.5% us, 9.7% sy, 0.0% ni, 0.0% id, 89.6% wa, 0.2% hi, 0.0% si
Mem: 4132996k total, 4116136k used, 16860k free, 7204k buffers
Swap: 8185108k total, 144k used, 8184964k free, 3759936k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
15375 root 16 0 4204 1732 764 R 8 0.0 3:36.76 top
143 root 15 0 0 0 0 S 5 0.0 3:29.82 kswapd0
26922 down 15 0 2444 704 504 D 1 0.0 0:01.08 vsftpd
27062 down 15 0 2444 712 508 D 1 0.0 0:00.89 vsftpd
27069 down 15 0 2444 720 508 D 1 0.0 0:01.06 vsftpd
27075 down 15 0 2444 768 556 D 1 0.0 0:01.12 vsftpd
27118 down 15 0 2444 716 504 D 1 0.0 0:01.04 vsftpd |
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