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找了台电脑(大致配置如下:奔腾E5800双核3.2GHz,8G内存,2T硬盘),安装了RHEL 5.4,结果发现在使用VSFTPD上传文件时速度只有2、3M,登录到系统使用top看,显示如下:
top - 15:11:05 up 5:56, 3 users, load average: 10.98, 8.50, 4.30
Tasks: 157 total, 7 running, 149 sleeping, 0 stopped, 1 zombie
Cpu(s): 0.0%us, 7.8%sy, 0.0%ni, 0.0%id, 43.4%wa, 0.5%hi, 48.3%si, 0.0%st
Mem: 8041808k total, 4166660k used, 3875148k free, 135896k buffers
Swap: 8385888k total, 0k used, 8385888k free, 3626272k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
9144 dragon 15 0 48528 1196 628 R 43.6 0.0 2:09.39 vsftpd
89 root 11 -5 0 0 0 R 31.6 0.0 4:43.58 kblockd/1
2082 root 11 -5 0 0 0 R 23.6 0.0 2:30.94 kondemand/1
9 root 10 -5 0 0 0 R 14.0 0.0 1:17.61 events/1
2081 root 10 -5 0 0 0 S 1.0 0.0 0:02.93 kondemand/0
9147 root 15 0 12740 1132 820 R 0.3 0.0 0:00.80 top
1 root 15 0 10348 636 540 S 0.0 0.0 0:00.36 init
2 root RT -5 0 0 0 S 0.0 0.0 0:00.06 migration/0
3 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/0
4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0
5 root RT -5 0 0 0 S 0.0 0.0 0:02.33 migration/1
6 root 34 19 0 0 0 R 0.0 0.0 0:08.83 ksoftirqd/1
7 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1
8 root 10 -5 0 0 0 S 0.0 0.0 0:00.92 events/0
10 root 17 -5 0 0 0 S 0.0 0.0 0:00.00 khelper
83 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kthread
88 root 10 -5 0 0 0 S 0.0 0.0 0:00.48 kblockd/0
90 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 kacpid
206 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/0
207 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 cqueue/1
210 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 khubd
212 root 10 -5 0 0 0 S 0.0 0.0 0:00.00 kseriod
286 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 kswapd0
287 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 aio/0
288 root 14 -5 0 0 0 S 0.0 0.0 0:00.00 aio/1
442 root 11 -5 0 0 0 S 0.0 0.0 0:00.00 kpsmoused
474 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 ata/0
475 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 ata/1
476 root 13 -5 0 0 0 S 0.0 0.0 0:00.00 ata_aux
这是不是说明我的硬盘是瓶颈啊,速度这么慢? |
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