<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1250">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:"MS Mincho";
panose-1:2 2 6 9 4 2 5 8 3 4;}
@font-face
{font-family:"\@MS Mincho";
panose-1:2 2 6 9 4 2 5 8 3 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:Arial;
color:windowtext;}
@page Section1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.Section1
{page:Section1;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I was wondering what was the maximum image size for a WMS
getImage request ? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I successfully managed to generate a 8192 X 8192 image in a
couple of minutes (I had to raise the session timeout both in the Mapguide and
apache FastCGI configuration = I raised it to 1200 seconds instead of the
initial 120) <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>When I tried the next level I need which is a 16384 X 16384
image my machine just works eternally and eventually the request times
out after the 1200 seconds limit … <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Is there a way to manage to generate such bigger images by
tweaking some parameters / increasing memory somewhere ? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Below is an extract of my apache log for the period during
which I ran the 16384 X 16384 test <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Has the “reached dynamicMaxClassProcs (4)” error
something to do with the fact that the image generation failed? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks in advance. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3596) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 19:56:27 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3596) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:02:44 2008] [warn] FastCGI: scheduled the
restart of the last (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
process: reached dynamicMaxClassProcs (4)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:02:45 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
restarted (pid 5000)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:04:26 2008] [warn] FastCGI: (dynamic) server
"C:/Program Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 5000) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:04:27 2008] [warn] FastCGI: scheduled the
restart of the last (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
process: reached dynamicMaxClassProcs (4)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:06:28 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 5000) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:06:28 2008] [warn] FastCGI: scheduled the
restart of the last (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
process: reached dynamicMaxClassProcs (4)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:06:29 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
restarted (pid 3256)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:14:27 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3256) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:14:27 2008] [warn] FastCGI: scheduled the
restart of the last (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
process: reached dynamicMaxClassProcs (4)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:16:31 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3256) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:16:31 2008] [warn] FastCGI: scheduled the
restart of the last (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
process: reached dynamicMaxClassProcs (4)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:16:32 2008] [warn] FastCGI: (dynamic) server
"C:/Program Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
restarted (pid 4228)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:22:45 2008] [error] [client 127.0.0.1]
FastCGI: comm with (dynamic) server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
aborted: (first read) idle timeout (1200 sec)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:22:45 2008] [error] [client 127.0.0.1]
FastCGI: incomplete headers (0 bytes) received from server "C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:24:27 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 4228) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:26:30 2008] [warn] FastCGI: (dynamic) server
"C:/Program Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 4228) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:34:26 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 4608) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:36:47 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 4608) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:44:27 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 2116) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:46:40 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 2116) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:54:26 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3096) termination signaled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>[Thu Jan 03 20:56:31 2008] [warn] FastCGI: (dynamic) server
"C:/Program
Files/MapGuideOpenSource/WebServerExtensions/www/mapagent/MapAgent.exe"
(pid 3096) terminated with exit with status '0'<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
</div>
</body>
</html>
<BR>
<P><FONT SIZE=2>Internal Virus Database is out-of-date.<BR>
Checked by AVG Free Edition.<BR>
Version: 7.5.516 / Virus Database: 269.17.11 - Release Date: 27.12.2007 00:00<BR>
</FONT> </P>