<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=gb2312"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Arial Unicode MS";
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@Arial Unicode MS";
panose-1:2 11 6 4 2 2 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Recently we put live some DNS Servers, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The spec: <o:p></o:p></p><p class=MsoNormal>2x Xeon (total seen by OS 24CPU)<o:p></o:p></p><p class=MsoNormal>16GB RAM<br>Ubuntu Server 12.04<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We test limited number RPZ list BIND 9.8.1 (came with Ubuntu 12.04), and put it on the live network, the result is OK, all load is shared among 24 CPU, @10% usage<o:p></o:p></p><p class=MsoNormal>Then in response to BIND Security Advisory (exploit), we upgraded it to 9.8.5-P2, and we increase to RPZ list to a huge list (1,3M blacklist)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>But now the CPU load is seem to focus only on CPU0 (40%), and remaining CPU (1-23) only around 2%<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any idea what may seems to be the problem, <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><i><span style='color:#1F497D'>Best Regards,</span></i><i><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></i></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Arie Lendra Putra </span><span style='font-size:12.0pt;color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial Unicode MS","sans-serif";color:#1F497D'>³ÂάÎÄ</span><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><img width=58 height=58 id="Picture_x0020_1" src="cid:image001.png@01CEA5A2.9CBE5F50" alt="Description: Calligraphy"><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:#7F7F7F'>----------------------<o:p></o:p></span></p><p class=MsoNormal><i><u><span style='font-size:8.0pt;color:#1F497D'>Together</span></u></i><i><span style='font-size:8.0pt;color:#1F497D'> is a beautiful word,<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:8.0pt;color:#1F497D'>Coming together is the Beginning, Keeping together is Progress<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='font-size:8.0pt;color:#1F497D'>Thinking together is Unity, Working together is Success</span></i><span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>