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标题: virpus的I/O是肿么了。。。。。。。。。。好吓人 [打印本页]

作者: jsenet    时间: 2013-8-8 13:59
标题: virpus的I/O是肿么了。。。。。。。。。。好吓人
  1. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  2. 4096+0 records in
  3. 4096+0 records out
  4. 268435456 bytes (268 MB) copied, 5.68989 s, 47.2 MB/s
  5. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  6. 4096+0 records in
  7. 4096+0 records out
  8. 268435456 bytes (268 MB) copied, 5.77448 s, 46.5 MB/s
  9. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  10. 4096+0 records in
  11. 4096+0 records out
  12. 268435456 bytes (268 MB) copied, 4.36099 s, 61.6 MB/s
  13. You have new mail in /var/spool/mail/root
  14. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  15. ^C1739+0 records in
  16. 1739+0 records out
  17. 113967104 bytes (114 MB) copied, 182.525 s, 624 kB/s

  18. You have new mail in /var/spool/mail/root
  19. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  20. 4096+0 records in
  21. 4096+0 records out
  22. 268435456 bytes (268 MB) copied, 475.358 s, 565 kB/s
  23. You have new mail in /var/spool/mail/root
  24. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  25. 4096+0 records in
  26. 4096+0 records out
  27. 268435456 bytes (268 MB) copied, 4.63795 s, 57.9 MB/s
  28. You have new mail in /var/spool/mail/root
  29. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  30. 4096+0 records in
  31. 4096+0 records out
  32. 268435456 bytes (268 MB) copied, 484.359 s, 554 kB/s
  33. You have new mail in /var/spool/mail/root
  34. [root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
  35. 4096+0 records in
  36. 4096+0 records out
  37. 268435456 bytes (268 MB) copied, 298.056 s, 901 kB/s
复制代码
起伏能更大点吗? 不到1MB的速度这VPS还能干点啥?
作者: liuhang0077    时间: 2013-8-8 14:00
单硬盘这速度正常
作者: jsenet    时间: 2013-8-8 14:02
能不能别这样  你稳定在10MB我也能接受啊。。。

[root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 4.36099 s, 61.6 MB/s
You have new mail in /var/spool/mail/root
[root@vp tmp]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
^C1739+0 records in
1739+0 records out
113967104 bytes (114 MB) copied, 182.525 s, 624 kB/s


好的时候能100多MB  慢的时候100多KB.......
作者: cxd44    时间: 2013-8-8 23:03
100元出给我
作者: Bye    时间: 2013-8-8 23:16
你不是好邻居




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