one should never edit scripts after pasting them into a e-mail. The URL in
the script test_server_under_load.tcl should read
set url "http://localhost/page.ttml";
to be consistent with the name of the other script.
Sorry.
Holger
____________________________________________________________________
|
| Holger Zeinert - Development Manager CAE Division
|____________________________________________________________________
| LMS Deutschland GmbH - tel +49 631 4166-180, fax -166
| Luxemburger Str. 7, 67657 Kaiserslautern, GERMANY
| mailto:[EMAIL PROTECTED] http://www.lmsintl.com
> -----Original Message-----
> From: Zeinert, Holger [mailto:[EMAIL PROTECTED]]
> Sent: Sunday, December 08, 2002 7:42 PM
> To: Craig Huckabee
> Cc: [EMAIL PROTECTED]
> Subject: RE: Apache / mod_dtcl crashing under W2K
>
>
> ...
>
> I should add, that messages in error.log are:
>
> "client stopped connection before rvputs completed"
>
> Regards
> Holger
> ____________________________________________________________________
> |
> | Holger Zeinert - Development Manager CAE Division
> |____________________________________________________________________
> | LMS Deutschland GmbH - tel +49 631 4166-180, fax -166
> | Luxemburger Str. 7, 67657 Kaiserslautern, GERMANY
> | mailto:[EMAIL PROTECTED] http://www.lmsintl.com
>
>
>
>
> > -----Original Message-----
> > From: Zeinert, Holger
> > Sent: Sunday, December 08, 2002 7:33 PM
> > To: Craig Huckabee
> > Cc: [EMAIL PROTECTED]
> > Subject: RE: Apache / mod_dtcl crashing under W2K
> >
> >
> > Hi,
> >
> > here is a way how I can repeat the crash. First, a page
> > accessing the global variables ENVS, COOKIES, ... is needed:
> >
> > page.ttml:
> >
> > <?
> > puts "<html><body>"
> > puts "<h1>top</H1>"
> > puts "<br><br>"
> >
> > hgetvars
> > append message "COOKIES:<br>"
> > foreach a [array names COOKIES] {
> > append message "COOKIES($a)=$COOKIES($a)<br>"
> > }
> > foreach a [array names CLIENT_ENVS] {
> > append message "CLIENT_ENVS($a)=$CLIENT_ENVS($a)<br>"
> > }
> > foreach a [array names ENVS] {
> > append message "ENVS($a)=$ENVS($a)<br>"
> > }
> > foreach a {HTTP_COOKIE} {
> > if {[info exist ENVS($a)]} {
> > append message "ENVS($a)=$ENVS($a)<br>"
> > }
> > }
> > foreach a [array names env] {
> > append message "env($a)=$env($a)<br>"
> > }
> > puts "<b>ENVS:</b>"
> > foreach a [array names ENVS] {
> > puts "ENVS($a) = $ENVS($a)<br>"
> > }
> > puts $message
> >
> >
> > puts "</body></html>"
> >
> > ?>
> >
> > The configuration of apache is "ThreadsPerChild 50". To
> > produce a high load and multiple accesses, I use another tcl
> > script to access this page over and over again:
> >
> > test_server_under_load.tcl:
> >
> > package require http
> >
> > set nr 0
> > set ref -1
> >
> > set url "http://localhost/top.ttml";
> >
> > puts "Using URL: $url \n"
> >
> > puts "Starting Tests....\n\n"
> >
> > while {1} {
> > incr nr
> > set token [http::geturl $url]
> > # puts [http::data $token]
> >
> > set size [string length [http::data $token]]
> > if {$ref == -1} {set ref $size}
> >
> > puts -nonewline " $nr request => $size ($ref) "
> >
> > if {$size != $ref} {
> > puts "##########################"
> > set fp [open [clock seconds].html w]
> > puts $fp [http::data $token]
> > close $fp
> > } else {
> > puts ""
> > }
> > http::cleanup $token
> > }
> >
> > exit
> >
> >
> > The idea of the script is to request a page, store the size
> > in bytes and request the page again and again. Everytime the
> > size of the page differs from the the first call, the page is
> > written into the current directory and a bar
> > "###################" is written to stdout.
> >
> > If I run this script using
> >
> > tclsh test_server_under_load.tcl
> >
> > in one Windows Command Prompt, everything is fine. As soon as
> > I start it in parallel in one or two other Command Prompts,
> > all logs show the bars ############ with either size 0 or
> > with missing data of ENVS, COOKIES, ...
> > After some time, also crashes of apache.exe occur. As soon as
> > I switch the apache configuration back to "ThreadsPerChild
> > 1", no bars ########## and no crashes occur anymore.
> >
> > In this test, all is executed locally on my notebook: apache
> > server and tcl script accessing the server.
> >
> > Still, this will be difficult to debug, I guess...
> >
> > Hope this helps!
> > Holger
> >
> ____________________________________________________________________
> > |
> > | Holger Zeinert - Development Manager CAE Division
> >
> |____________________________________________________________________
> > | LMS Deutschland GmbH - tel +49 631 4166-180, fax -166
> > | Luxemburger Str. 7, 67657 Kaiserslautern, GERMANY
> > | mailto:[EMAIL PROTECTED] http://www.lmsintl.com
> >
> >
> >
>
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