<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=us-ascii">
<meta name=Generator content="Microsoft Word 12 (filtered medium)">
<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 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;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman","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;}
span.apple-style-span
        {mso-style-name:apple-style-span;}
span.EmailStyle18
        {mso-style-type:personal-reply;
        font-family:"Calibri","sans-serif";
        color:#1F497D;}
.MsoChpDefault
        {mso-style-type:export-only;}
@page Section1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.Section1
        {page:Section1;}
-->
</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=Section1>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>What are the specs of this machine?&nbsp; What is your load during
this time?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>

<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
owner-nginx@sysoev.ru [mailto:owner-nginx@sysoev.ru] <b>On Behalf Of </b>Khalid
Shaikh<br>
<b>Sent:</b> Sunday, September 20, 2009 11:47 PM<br>
<b>To:</b> nginx@sysoev.ru<br>
<b>Subject:</b> Nginx TCP Delays<o:p></o:p></span></p>

</div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>We are using Nginx on this web server. &nbsp;Look at the #
of reading &amp; writing requests. &nbsp;a curl <a
href="http://localhost/test.html">http://localhost/test.html</a> can take up to
45 seconds.<o:p></o:p></p>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>Can anyone help?<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>Using telnet I can see that basically the Nginx server is
taking time to get to the TCP connection that I initiated.<o:p></o:p></p>

</div>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<p class=MsoNormal>This happens only during peak times of the web site.<o:p></o:p></p>

<div>

<p class=MsoNormal><o:p>&nbsp;</o:p></p>

</div>

<div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Active
connections: 8467<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>server
accepts handled requests<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;380771
380771 835836<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Reading:
75 Writing: 1497 Waiting: 6895<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a
href="http://67.159.60.59/status" target="_blank"><span style='color:#2A5DB0'>http://67.159.60.59/status</span></a>&nbsp;&nbsp;
&nbsp; &nbsp;45.03 seconds<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I've
attached the nginx.conf<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>user
www-data www-data;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>worker_processes
32;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>error_log
&nbsp;/var/www/log/nginx_error.log;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>pid
&nbsp; &nbsp; &nbsp; &nbsp;/var/run/nginx.pid;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>events
{<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;worker_connections
&nbsp;10024;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>http
{<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;include
&nbsp; &nbsp; &nbsp; /etc/nginx/mime.types;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;default_type
&nbsp;application/octet-stream;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;sendfile
&nbsp; &nbsp; &nbsp; &nbsp; on;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;tcp_nopush
&nbsp; &nbsp; &nbsp; on;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;tcp_nodelay
&nbsp; &nbsp; &nbsp;on;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

</div>

<div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;server
{<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;listen &nbsp; &nbsp; &nbsp; 80;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;server_name &nbsp;<a href="http://xs.to">xs.to</a>;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;root &nbsp; /var/www/xs;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;error_page &nbsp;404 index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;error_page &nbsp; 500 502 503 504 &nbsp;index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;access_log off;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;location / {<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;root &nbsp; /var/www/xs;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;index &nbsp;index.php default.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;rewrite &nbsp;^/albums/(.*)$ &nbsp;/albums/showalbum.php?$1?
&nbsp;last;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;rewrite &nbsp;^/community/(.*)$ &nbsp;/community.php?$1?
&nbsp;last;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;error_page &nbsp;404 index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;error_page &nbsp; 500 502 503 504 &nbsp;index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;location /status {<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;stub_status on;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;access_log off;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;location ~ .php$ {<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;fastcgi_pass <a href="http://127.0.0.1:8888">127.0.0.1:8888</a>;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;fastcgi_index index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;fastcgi_intercept_errors on;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;error_page &nbsp;404 index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;error_page &nbsp; 500 502 503 504 &nbsp;index.php;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;fastcgi_param &nbsp;SCRIPT_FILENAME &nbsp;
&nbsp;/var/www/xs/$fastcgi_script_name;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;include /etc/nginx/fastcgi_params;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;location ~* ^.+.(jpg|jpeg|gif|tiff|png|bmp|ico|fav|html)$ {<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;access_log &nbsp; &nbsp; &nbsp; &nbsp;off;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp; &nbsp;expires &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 30d;<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;
&nbsp;}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>&nbsp;&nbsp;}<o:p></o:p></span></p>

</div>

<div>

<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p>&nbsp;</o:p></span></p>

</div>

</div>

</div>

</div>

</div>

</body>

</html>