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<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Hi, all.<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 am a employer of Yahoo <st1:country-region w:st="on"><st1:place
 w:st="on">China</st1:place></st1:country-region>, I am working for a temporary
blog system. The question is our system can just response 30 qps in product
serer while 15 qps in test server. Now I want to improve its performance. But
when I add memcache between the dbs and the forehead servers, the qps has
decreased to <st1:chmetcnv TCSC="0" NumberType="1" Negative="False"
HasSpace="True" SourceValue="13" UnitName="in" w:st="on">13 in</st1:chmetcnv>
test server. Can somebody help me? <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'>Thanks very much.<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>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=宋体><span style='font-size:10.0pt;
font-family:宋体;color:navy'>王社安</span></font><font size=2 color=navy><span
lang=EN-US style='font-size:10.0pt;color:navy'> warren.wang<br>
</span></font><font size=2 color=navy face=宋体><span style='font-size:10.0pt;
font-family:宋体;color:navy'>雅虎中国技术研发部网站技术中心</span></font><font size=2
color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'><br>
Tel</span></font><font size=2 color=navy face=宋体><span style='font-size:10.0pt;
font-family:宋体;color:navy'>:</span></font><font size=2 color=navy><span
lang=EN-US style='font-size:10.0pt;color:navy'>010-65985353<br>
YahooID</span></font><font size=2 color=navy face=宋体><span style='font-size:
10.0pt;font-family:宋体;color:navy'>:</span></font><font size=2 color=navy><span
lang=EN-US style='font-size:10.0pt;color:navy'>wang_shean2006<br>
E-mail:warren.wang<u1:PERSONNAME u2:st="on">@alibaba-inc.com</u1:PERSONNAME><br>
Address</span></font><font size=2 color=navy face=宋体><span style='font-size:
10.0pt;font-family:宋体;color:navy'>:北京市朝阳区西大望路</span></font><font size=2
color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'>1</span></font><font
size=2 color=navy face=宋体><span style='font-size:10.0pt;font-family:宋体;
color:navy'>号温特莱中心</span></font><font size=2 color=navy><span lang=EN-US
style='font-size:10.0pt;color:navy'>A</span></font><font size=2 color=navy
face=宋体><span style='font-size:10.0pt;font-family:宋体;color:navy'>座</span></font><font
size=2 color=navy><span lang=EN-US style='font-size:10.0pt;color:navy'>11</span></font><font
size=2 color=navy face=宋体><span style='font-size:10.0pt;font-family:宋体;
color:navy'>层</span></font><span lang=EN-US><o:p></o:p></span></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US><o:p>&nbsp;</o:p></span></font></p>

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