Since your IIS is crashing to the point that it won't respond to control
sognals, net stop, There is a program somewhere that is hanging up IIS.
1. What other apps do you run on the server?
2. Do you host?
3. Do you host ASP?
4. What other technoligies do you run?
5. Look at the memory cf is using when you have a problem.
The WINSRV.DLL seems pretty severe.
We have CF 4.0.1 and have had less problems since tweaking the admin
variables in CF. Matter of fact, we have zero problems now. Our server runs
at almost a constant 253 mb ram available out of 384 mb ram.
We host over 200 domains.
John Cesta
http://www.cybersmarts.net
-------------------------------------------------
ColdFusion ASP and ActiveState PERL Hosting
Includes 10 Domains
--------------------------------------------
SearchIt PRO - IIS Logfile Management Software
DomainReportIt PRO - Transfer IIS installs
http://www.serverautomationtools.com
-----Original Message-----
From: Bruce Ford [mailto:[EMAIL PROTECTED]]
Sent: Monday, November 13, 2000 2:41 AM
To: CF-Server
Subject: Stability problem with CF 4.0.1 Prof.
I have an ongoing problem with the stability of our Cold Fusion Server:
Version details:
CF Server: 4.01 Professional.
OS: NT 4 SP 5
Web Server: IIS 4
Database: SQL Server 7 SP 2 via ODBC
Hardware: Dual PIII 500 MHz / 512 MB RAM
At present the web site is checked every 2 minutes and if a problem is
detected CF server is restarted. If that does not fix things CF and IIS
are restarted 2 minutes later. Eventually, after 2 more attempts at
correcting via restarts of CF and IIS (sometimes "net stop" does not work
and I need to kill the inetinfo process), I escalate to a restart of the
server. That usually fixes it!
The problem seems unrelated to hardware, as it occurs on both the main and
standby servers, I had to switch to the standby server when corruption
caused WINSRV.DLL to disappear and the main server blue-screened on restart.
Cold Fusion server is regularly restarted at 03:40am every day.
The failure pattern correlates very loosely with usage but there seems
little reason for the observed peaks in the failure pattern for 00:00-00:59
and 02:00-02:59 hours local time. Interestingly in October I have no
failures on Saturdays or between 03:00 and 06:59.
I am concerned that it is associated with the CF code as restarting CF
server seems to fix these errors on occasion but I am running out of ideas.
I have so far fixed constructs where CFSET was not setting a variable eg.
<CFSET StructInsert(struct,key,var)> and ensured all references to
application and session scoped variables are within <CFLOCK> ... </CFLOCK>
using NAME=#application.applicationName# and NAME=#session.sessionID# as
appropriate. Although these have helped stability to some extent the
failures continue.
The last item I am correcting is the use of nested, ungrouped <CFOUTPUT>
tags due to the use of CFINCLUDEs and CFMODULEs. I have no idea if these
are significant or not but as the CF documentation says "You cannot nest
CFOUTPUT tags." I am hopeful.
I have put in process an upgrade to CF 4.5.1 but that may be some time in
coming and if the problem is within the CF code I am unsure if it will help.
Is there anything else I should be investigating?
Bruce Ford [EMAIL PROTECTED]
Online Teaching Systems Coordinator
Teaching and Learning Support Services Ph: +61 7 3864 9773
Queensland University of Technology
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