Sounds like a Garbage Collection, probably due to not enough memory or incorrect collection type. Do you have SeeFusion/FusionReactor? You may also want to look into something called VisualGC from Sun to debug.
T "This e-mail is from Reed Exhibitions (Gateway House, 28 The Quadrant, Richmond, Surrey, TW9 1DN, United Kingdom), a division of Reed Business, Registered in England, Number 678540. It contains information which is confidential and may also be privileged. It is for the exclusive use of the intended recipient(s). If you are not the intended recipient(s) please note that any form of distribution, copying or use of this communication or the information in it is strictly prohibited and may be unlawful. If you have received this communication in error please return it to the sender or call our switchboard on +44 (0) 20 89107910. The opinions expressed within this communication are not necessarily those expressed by Reed Exhibitions." Visit our website at http://www.reedexpo.com -----Original Message----- From: Peter Sheats To: CF-Talk Sent: Tue Feb 06 19:38:02 2007 Subject: Sporadic Slow Page Loads Hey Everyone, I was wondering if anyone could give me some ideas on how to identify the cause of this problem. The Problem: Every 10 to 15 minutes pages on my site start to take anywhere from 8 seconds to more than 100 seconds to be processed. It appears to happen sporadically - no pattern that i can see. This will continue for a duration of anywhere from 15 seconds to 10 minutes or so. Then, for no apparent reason everything goes back to normal The Environment: Server: Windows Server 2003 Web Server: IIS 6 Coldfusion: 7.02 Standard - with latest hotfix applied Database: MS SQL 2000 on another server Software: Site is built in PaperThin's CommonSpot CMS, version 4.6 SP2 Debug Resources: I posted some info in case that helps CF Debug: Normal Page Load - http://www.pba.edu/zzz/pbadebug/normal_faculty.cfm.htm Slow Page Load - http://www.pba.edu/zzz/pbadebug/slow_faculty.cfm.htm Reactor Reports: Slow Pages - http://www.pba.edu/zzz/pbadebug/reactor_slow_period.jpg Back to Normal - http://www.pba.edu/zzz/pbadebug/reactor_back_to_normal.jpg What I have Tried: - Checked the log files, there doesn't seem to be anything that corresponds to these time periods. Pages don't generate an error, they just take a long time to display. - Checked server stats - cpu and memory use stay at a normal/low level. - Coldfusion memory stays at a good level around 20% (you can see in the reactor images) - Monitored the SQL server - doesn't seem to be any correlation between heavy load on the sql server/database and the slow downs - - upgraded the jdbc driver to 3.5. - checked to see if it was related to heavy traffic - i don't believe so, it happens sometimes at 3am. That's all I can think of right now. I've been trying to debug it for 3 days now - just trying to trace it down to the cause but nothing i have looked at so far seems to correspond to the slow downs. If anyone can suggest some things I can look at I would really appreciate it. Or if I can provide more information let me know and i'll be glad to do so. Thanks in advance, Peter ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Upgrade to Adobe ColdFusion MX7 Experience Flex 2 & MX7 integration & create powerful cross-platform RIAs http:http://ad.doubleclick.net/clk;56760587;14748456;a?http://www.adobe.com/products/coldfusion/flex2/?sdid=LVNU Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:268889 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
