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<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>KVM Server<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>virsh # version<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>根据库编译:</span></font><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'> libvirt <st1:chsdate IsROCDate="False" IsLunarDate="False" Day="30"
Month="12" Year="1899" w:st="on">1.1.4</st1:chsdate><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>使用库</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>: libvirt <st1:chsdate
IsROCDate="False" IsLunarDate="False" Day="30" Month="12" Year="1899" w:st="on">1.1.4</st1:chsdate><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>使用的</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'> API: QEMU <st1:chsdate
IsROCDate="False" IsLunarDate="False" Day="30" Month="12" Year="1899" w:st="on">1.1.4</st1:chsdate><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>运行管理程序</span></font><font size=1 color=navy
face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial;
color:navy'>: QEMU 1.6.90<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

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face=宋体><span lang=EN-US style='font-size:12.0pt;font-family:宋体'>

<hr size=2 width="100%" align=center tabindex=-1>

</span></font></div>

<p class=MsoNormal align=left style='text-align:left'><b><font size=2 face=宋体><span
style='font-size:10.0pt;font-family:宋体;font-weight:bold'>发件人<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'> sheepdog-users-bounces@lists.wpkg.org
[mailto:sheepdog-users-bounces@lists.wpkg.org] </span></font><b><font size=2
face=宋体><span style='font-size:10.0pt;font-family:宋体;font-weight:bold'>代表 </span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>redtone<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>发送时间<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'> <st1:chsdate
IsROCDate="False" IsLunarDate="False" Day="24" Month="11" Year="2013" w:st="on">2013<span
 lang=EN-US><span lang=EN-US>年11</span></span><span lang=EN-US><span
 lang=EN-US>月24</span></span><span lang=EN-US><span lang=EN-US>日</span></span></st1:chsdate>
22:33<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>收件人<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>
sheepdog-users@lists.wpkg.org<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>主题<span lang=EN-US>:</span></span></font></b><font size=2
face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>
[sheepdog-users] </span></font><font size=2 face=宋体><span style='font-size:
10.0pt;font-family:宋体'>答复<span lang=EN-US>: sheepdog data write performance
with 5 node</span></span></font><font size=3 face=宋体><span lang=EN-US
style='font-size:12.0pt;font-family:宋体'><o:p></o:p></span></font></p>

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<p class=MsoNormal align=left style='text-align:left'><font size=2
face="Times New Roman"><span lang=EN-US style='font-size:10.5pt'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>the performance is very
low.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>root@kvmtestcentos ~]# dd
if=/dev/zero of=test.data oflag=direct bs=<st1:chmetcnv TCSC="0" NumberType="1"
Negative="False" HasSpace="False" SourceValue="1" UnitName="m" w:st="on">1M</st1:chmetcnv>
count=200<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>记录了</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>200+0 </span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>的读入</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=宋体><span style='font-size:9.0pt;
font-family:宋体;color:navy'>记录了</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>200+0 </span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>的写出</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'>209715200</span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>字节</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>(210 MB)</span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>已复制,</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>39.7426 </span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>秒,</span></font><font size=1 color=navy face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial;color:navy'>5.3 MB/</span></font><font
size=1 color=navy face=宋体><span style='font-size:9.0pt;font-family:宋体;
color:navy'>秒</span></font><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=navy face=Arial><span lang=EN-US
style='font-size:9.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>

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<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>

<hr size=2 width="100%" align=center tabindex=-1>

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<p class=MsoNormal align=left style='text-align:left'><b><font size=2 face=宋体><span
style='font-size:10.0pt;font-family:宋体;font-weight:bold'>发件人<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>
sheepdog-users-bounces@lists.wpkg.org [mailto:sheepdog-users-bounces@lists.wpkg.org]
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>代表 </span></font></b><font size=2 face=宋体><span
lang=EN-US style='font-size:10.0pt;font-family:宋体'>redtone<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>发送时间<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'> <st1:chsdate
IsROCDate="False" IsLunarDate="False" Day="24" Month="11" Year="2013" w:st="on">2013<span
 lang=EN-US><span lang=EN-US>年11</span></span><span lang=EN-US><span
 lang=EN-US>月24</span></span><span lang=EN-US><span lang=EN-US>日</span></span></st1:chsdate>
22:07<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>收件人<span lang=EN-US>:</span></span></font></b><font
size=2 face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>
sheepdog-users@lists.wpkg.org<br>
</span></font><b><font size=2 face=宋体><span style='font-size:10.0pt;font-family:
宋体;font-weight:bold'>主题<span lang=EN-US>:</span></span></font></b><font size=2
face=宋体><span lang=EN-US style='font-size:10.0pt;font-family:宋体'>
[sheepdog-users] sheepdog data write performance with 5 node</span></font><font
size=3><span lang=EN-US style='font-size:12.0pt'><o:p></o:p></span></font></p>

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<p class=MsoNormal align=left style='text-align:left'><font size=2
face="Times New Roman"><span lang=EN-US style='font-size:10.5pt'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>I have 5 sheepdog nodes with 2Gbps NIC(bonded with
802.3ad mode)<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>I use iftop to monitor the network bandwidth<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>When I write data to sheepdog disk, there are 3 nodes
receive data at the same.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Why the sheepdog gateway don’t send to the other 2
node to improve the performance? <o:p></o:p></span></font></p>

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