<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <STYLE type=text/css> </STYLE> <META content="text/html; charset=utf-8" http-equiv=Content-Type> <STYLE> BLOCKQUOTE{margin-Top: 0px; margin-Bottom: 0px; margin-Left: 2em} body{FONT-SIZE:12.1pt; COLOR:#001; FONT-FAMILY:宋体,serif;} </STYLE> <META name=GENERATOR content="MSHTML 10.00.9200.17088"><BASE target=_blank></HEAD> <BODY style="BORDER-LEFT-WIDTH: 0px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; MARGIN: 12px; LINE-HEIGHT: 1.3; BORDER-TOP-WIDTH: 0px" marginheight="0" marginwidth="0"><STATIONERY> <DIV><FONT> <DIV><SPAN style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; FLOAT: none; COLOR: rgb(51,51,51); FONT: 15px/21px 'Helvetica Neue', Helvetica, Arial, sans-serif; DISPLAY: inline !important; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px"><FONT color=#000000 size=4 face="Times New Roman">Dear All,<BR>My physical machine has 8 Xeon E7-8837 and 2T RAM (8 NUMA nodes). <BR>If it is possible, how much overhead will there be? and what kind of configurations should I bear in mind while setting up the VM through virt-manager of RHEL6, such as vCPU pinning and NUMA boundaries concerning?<BR>Moreover, should I treat virtual Linux and virtual Windows 7 Ultimate differently when configuring the VM? <BR>Do you have any recommendation about benchmark tools that I can use to measure the performance of the guest Linux and Windows respectively with respect to that of the host Linux OS?<BR>Regards,<BR>Allen</FONT></SPAN></DIV> <DIV><FONT color=#000000 size=4 face="Times New Roman"></FONT> </DIV> <DIV><SPAN style="WHITE-SPACE: normal; TEXT-TRANSFORM: none; WORD-SPACING: 0px; FLOAT: none; COLOR: rgb(51,51,51); FONT: 15px/21px 'Helvetica Neue', Helvetica, Arial, sans-serif; DISPLAY: inline !important; LETTER-SPACING: normal; TEXT-INDENT: 0px; -webkit-text-stroke-width: 0px"><FONT color=#000000 size=4 face="Times New Roman">PS:It will be very appreciated if you can provide some configuration details in XML format.</FONT></SPAN></DIV></FONT></DIV> <DIV><FONT size=4 face="Times New Roman"></FONT> </DIV> <DIV align=left><FONT color=#c0c0c0 size=4 face="Times New Roman">2014-10-16</FONT></DIV><FONT size=4 face="Times New Roman"> <HR id=SignNameHR style="HEIGHT: 2px; WIDTH: 122px" align=left SIZE=2> </FONT> <DIV><FONT color=#c0c0c0 size=4 face="Times New Roman"><SPAN id=_FlashSignName>Allen Qiu</SPAN></FONT></DIV></STATIONERY></BODY></HTML>