Make sure "Restart after N unresponsive requests" is less than "Limit simultaneous requests"
Are you locking all of your reads and writes of Session, Server and Application variables? Are you limiting the number of ODBC connections? For each database they should be limited to the number of simultaneous requests. Access as a database? Uncheck "Maintain database connection" I'll forward you a very helpful document I got from Steven Erat at Macromedia. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: Thursday, February 06, 2003 2:02 PM > To: CF-Talk > Subject: RE: why does CF Server times out so often? > > > A ton of things to check for sure... > 1) are you using ODBC connections to Access? This used to be > an issue of the ODBC driver fouling the works up. We had to > schedule the CF srevice to bounce everynight. All was fine > after that. > 2) in the CFAdmin tool, make sure 'restart after n > unreponsive requests' is set and 'restart when requests > terminate abnormally' is set. > 3) check your code. Do you have some pages with super long > running times. Perhaps extra long queries? These tie up > threads. Check the CF serverlog for warnings about long > running pages. "Log slow pages taking longer than n seconds" > should be set in the CFAdmin tool. > 4) what is limit simultaneous requests set to? suggested is > 3-5 per CPU IIRC. > > just somethings I'd be looking at first > > the log error of > "Windows NT error number 232 occurred. " is common due to > users giving up on the HTTP request and moving on. > > this error bothers me > "Error attempting to write location redirection to web server > (Windows NT error number -2147467259 occurred)" > it could be related to the NT 232 error, but...perhaps you > have a CFLOCATION tag that is going into an infinite loop??!?!? > > As for "single threaded" setting, I'd read up on it. Check > out the docs and articles at macromedia's CF site. > > Doug > > >-----Original Message----- > >From: Ye Wang [mailto:[EMAIL PROTECTED]] > >Sent: Thursday, February 06, 2003 1:24 PM > >To: CF-Talk > >Subject: why does CF Server times out so often? > > > > > >Hi, > > > >Other people might already ask those questions on this list > >before, but I couldn't find any old mail that answers my > >questions exactly. So here they are, if anyone can throw some > >light on it, really appreciate! > > > >Machine: Dell > >CF: CF 5 > >On our web server CF times out very frequently. Sometimes once > >every other day, sometimes a couple of times a day. All sites > >that running CF are down unless I restart the CF service or > >reboot the machine. As you can imagine this has been quite > >frustrating and annoying. One has to check the sites > >constantly at all hours to make sure things are okay. It's not > >session timeout or application timeout, it's simply cf server > >down. I did try to let the windows/iis handle it, as set to > >restart the service after it's terminated. But that failed as > >well. Does anyone know why this happens? We never encountered > >this problem before until two months ago we got this new > >server from Dell. But I don't think it's the machine, at least > >I hope not... > > > >Here are some repeated error logs I found in the cf log files. > >Not sure if they are related to my problem above. > >- application.log > >", , Connection Failure. Status code unavailable." > > > >-server.log > >"Windows NT error number 232 occurred. > >Error number 232 occurred attempting to close connection to > >web server. " > > > >- webserver.log > >"Error attempting to write reply header back to web server > >(Windows NT error number 10038 occurred) > >Error attempting to write location redirection to web server > >(Windows NT error number -2147467259 occurred)" > > > >Does anyone know what those mean, what's the cause and what I > >can do to fix? I am not a system admin, so my guess is limited. > > > >One more question, there is this checkbox on CF Admin page > >for "Single Threaded Sessions". Our old sys admin left it > >unchecked. I wonder if it would affect server performance when > >it's checked... > > > >lot Thx > > > >YW > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq This list and all House of Fusion resources hosted by CFHosting.com. The place for dependable ColdFusion Hosting. Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
